EDGE 31504-3 Juice with Attitude CTS3 Tuner & Monitor Engine Computers
Category: Engine Computers
Check Current PriceThis review examines the EDGE 31504-3 Juice with Attitude CTS3 Tuner & Monitor, priced at $1155, an in-cabin tuner and monitor for diesel trucks. EDGE 31504-3 Juice with Attitude CTS3 uses a 5-inch full-color high-resolution touch screen with swipe technology, WiFi updates, and an HDMI-style plug for power and linking EAS accessories. EDGE 31504-3 Juice with Attitude CTS3 can provide up to +180 HP and up to +440 ft lb TQ depending on application and supports up to six on-the-fly power levels and multiple performance modes.
Summary
Article Verdict: EDGE 31504-3 Juice with Attitude CTS3 suits buyers who need integrated in-cab monitoring and multi-mode diesel tuning.
- Core Benefit: 5-inch full-color touch screen, WiFi updates, up to +180 HP/+440 ft lb TQ potential
- Main Drawback: Not legal for sale or use in California and CARB approval pending
- Price Value: Premium-priced at $1155 versus lower-cost tuners (example: $399.95 Flashpaq)
EDGE 31504-3 Juice with Attitude CTS3 makes sense for owners of advertised diesel trucks, including 1998.5–2021 Dodge/Ram Cummins and 2001–2007 GM Duramax applications. EDGE 31504-3 Juice with Attitude CTS3 can be applied by a 2007 Dodge Ram 3500 5.9L owner to run in-cab monitoring, select towing or performance modes, and perform diagnostics and DTC clear functions. EDGE 31504-3 Juice with Attitude CTS3 should not be purchased by buyers who require California-legal CARB-certified devices because CARB approval is pending and the unit is not legal for sale or use in California.
EDGE 31504-3 Juice with Attitude CTS3 costs $1155 versus the Superchips Flashpaq F5 at $399.95, a $755.05 premium. The $755.05 premium delivers a 5-inch full-color touchscreen, WiFi updates, in-cab monitoring, diagnostic functions, dynamic safety features, and documented potential gains up to +180 HP/+440 ft lb TQ compared with the Flashpaq feature set. EDGE 31504-3 Juice with Attitude CTS3 fits buyers who prioritize an integrated touchscreen monitor, multi-mode tuning, and in-cab diagnostics, while the Flashpaq fits buyers seeking a lower-cost plug-and-play tuner.
This review covers performance gains, in-cab monitoring and diagnostics, and usability including screen and connectivity. Product documentation lacks warranty terms, installation requirements, included items list, complete compatibility list, wiring/connector specifications, and the CARB EO number.
EDGE 31504-3 Juice with Attitude CTS3 Tuner & Monitor Engine Computers Price & Value Analysis
The EDGE 31504-3 Juice with Attitude CTS3 is priced at $1,155.00. The Juice with Attitude CTS3 Engine Computer sits in the premium tier, costing $840.43 more than the category average of $314.57, equal to about 267% above that average.
Market Trend: Historical price fluctuation for EDGE 31504-3 Juice with Attitude CTS3 Tuner & Monitor over the last three months.
EDGE Engine Computers include a 5″ full-color high-resolution touch screen, WiFi updates, an HDMI-style connector, on-the-fly power levels, and diagnostics for check/clear DTCs. The reviewed EDGE 31504-3 Juice with Attitude CTS3 tuner & monitor advertises up to +180 HP and +440 ft·lb torque gains, but data regarding specific warranty terms and the included accessory list was not available at the time of this review.
Juice with Attitude CTS3 Engine Computers typically sit well above common in-cab tuners on price. Products in this category frequently range from about $200 to $500 for basic programmers, while premium monitors with mapping and data logging command higher prices.
DiabloSport Predator 2 costs $403.95 and Superchips Flashpaq F5 costs $399.95. The 31504-3 at $1,155.00 costs $751.05 (about 186%) more than DiabloSport Predator 2 at $403.95, but offers a 5″ full-color touch screen and WiFi updates which the competitor lacks at this price point. The 31504-3 at $1,155.00 costs $755.05 (about 189%) more than Superchips Flashpaq F5 at $399.95, but offers on-the-fly power levels, in-cab monitoring, and enhanced torque management that justify the premium for specific use cases.
For budget-conscious buyers, the 31504-3 is expensive and cheaper tuners deliver basic PCM tuning and speedometer calibration. For value-seekers, the combination of WiFi updates, mapping, and DTC access offers measurable savings over aftermarket labor for repeated calibrations. For premium buyers who prioritize in-cab monitoring of EGT, boost, and advanced safety backdowns, the investment aligns with those needs.
The final verdict: the reviewed EDGE 31504-3 Juice with Attitude CTS3 tuner & monitor represents a premium-priced, feature-rich option best suited to diesel truck owners who need integrated monitoring, mapping, and convenience features that cheaper alternatives do not provide.
Vehicle Compatibility & System Integration for Engine Computers
Compatibility for Engine Computers depends on vehicle make and model, engine type, and emissions/legal status. The EDGE 31504-3 Juice with Attitude CTS3 Tuner & Monitor requires matching those factors for proper PCM mapping and in-cab monitoring.
According to the product’s applications summary, the EDGE 31504-3 is advertised for diesel trucks and lists 1998.5–2021 Dodge/Ram Cummins and 2001–2007 GM Duramax. Specific entries include 2006 and 2007 Dodge RAM 2500 and RAM 3500 with 359/5.9L L6 engines. Submodels listed include LARAMIE, ST, SPORT, SLT, TRX4, SLT SPORT, and SLT NIGHT RUNNER SPORT.
The EDGE 31504-3 uses a 5″ full-color touchscreen and an HDMI-style plug for power and linking EAS accessories. Edge provides WiFi updates, on-the-fly power levels up to 6, and diagnostic functions to check and clear DTC codes.
The product is specified for diesel engines and carries an emissions legal note stating: “Legal under EPA Tampering Policy (Nov 23 2020); NOT legal for sale or use in California; CARB testing pending (50-state compliance pending EO number).” The documentation omits a complete vehicle compatibility list, wiring/connector pinout, the CARB EO number, and detailed installation and included-items information.
Pre-Purchase Verification
- Locate your vehicle VIN and confirm the engine is a diesel listed in the applications summary.
- Contact Edge support with your VIN to confirm PCM mapping and CARB/EO status for your vehicle.
- Verify installer access to the vehicle PCM or OBD-II port and that the HDMI-style plug can be integrated into your dash harness.
- Confirm the seller’s return policy covers fitment or compatibility issues before purchase.
Contact Edge support with your VIN before purchase to confirm fitment and CARB compliance status.
Engine Performance & Tuning Results
EDGE 31504-3 Juice with Attitude CTS3 Tuner & Monitor delivers integrated tuning and monitoring in a single in-cabin module. Based on the listed spec of a 5″ full color touch screen and WiFi updates, this device targets both map delivery and data logging for diesel PCM mapping.
The first core dimension is power and torque gains. The Juice with Attitude CTS3 Engine Computers specification lists “up to +180 HP” and “up to +440 ft·lb TQ”; based on those manufacturer-quoted numbers, expect mapping that can increase peak output within that range depending on engine and supporting mods. Performance claims by the reviewed EDGE 31504-3 Juice with Attitude CTS3 tuner & monitor are manufacturer-provided and testing data was not provided, so on-vehicle dyno confirmation is required to verify exact gains for a specific Cummins or Duramax application.
The second core dimension is in-cab monitoring and user interface. The Edge 31504-3 offers a 5″ touchscreen with swipe technology and multiple gauge layouts, and the HDMI-style connector for power/EAS accessories; based on the screen and connector specs, drivers can view boost, EGT, and OBD-II stream values in real time with customizable layouts. Manufacturer claims include auto-dimming and a notification center, and because WiFi updates are specified, map updates and firmware can be delivered without tethering, based on the WiFi updates spec.
The third core dimension is safety and driveability management. Juice with Attitude CTS3 Engine Computers list “dynamic safety features” such as cold engine protection, backdowns, turbo timer, and torque management; based on those features listed, the module can automatically reduce mapping aggressiveness to protect the turbo and drivetrain when thresholds are exceeded. Manufacturer claims are presented without independent test logs, so the exact trigger points for torque management are not available in current specifications.
The fourth core dimension is diagnostics and serviceability. The reviewed EDGE 31504-3 Juice with Attitude CTS3 tuner & monitor supports check/clear DTCs and in-cab alerts; based on the diagnostics spec, the unit can read DTC codes via the vehicle OBD-II communication and store alert records for later review. Data regarding supported OBD-II PID lists and complete vehicle mapping compatibility was not available at the time of this review.
For towing scenarios, the Juice with Attitude CTS3 Engine Computer can be set to towing power levels (one of up to six on-the-fly levels listed); based on the on_the_fly_power_levels spec, drivers can switch presets while towing to prioritize torque and transmission calibration. Manufacturer claims on tow-specific gains are not accompanied by towing-specific test results in the provided specs.
For daily driving and fuel economy, the Edge 31504-3 can run mileage-focused maps and the display supports custom color mixer and MyStyle backgrounds; based on the “tuning for mileage” spec, conservative maps exist to favor economy over peak power. Performance data confirming MPG change was not available at the time of this review.
For performance tuning, the Juice with Attitude CTS3 Engine Computers offers up to six on-the-fly levels and WiFi map delivery; based on those specs, track or pull presets can be uploaded and selected quickly. Manufacturer tuning quality depends on mapping for each PCM and was not present in supplied testing logs.
Competitive Performance Comparison
The reviewed EDGE 31504-3 Juice with Attitude CTS3 tuner & monitor has a listed price of $1,155 USD, while DiabloSport Predator 2 lists at $403.95; based on price and screen specs, the EDGE offers a larger integrated touchscreen and more aggressive claimed horsepower. Compared to Superchips Flashpaq F5 at $399.95, the reviewed EDGE 31504-3 focuses on diesel-specific torque maps and in-cab monitoring, based on the diesel-targeted specs, while competitors offer lower-cost gas/diesel solutions with fewer claimed peak gains.Performance analysis limited by missing data on documented dyno runs, complete vehicle fitment, and CARB EO number. Based on the available specs, expect conservative real-world outcomes tied directly to the listed HP/TQ gains and on-the-fly mapping rather than guaranteed results for every PCM or engine.
Ease of Use & Installation
The EDGE 31504-3 Juice with Attitude CTS3 Tuner & Monitor requires an intermediate skill level and modest vehicle wiring comfort. Expect a product setup time of approximately 45–120 minutes for physical installation and another 30–90 minutes to learn menus and basic tuning functions.
Installation begins with mounting the 5″ full-color touch screen inside the cabin and connecting power and accessories via the unit’s HDMI-style plug for power and EAS linking. Detailed installation instructions not included in product documentation, so step-by-step procedures are not available for review. Required tools likely include basic hand tools (screwdrivers, ratchet and sockets), trim removal tools, zip ties and possibly a multimeter for verifying power. Because exact wiring/connector specifications were not provided, installation difficulty cannot be confirmed without detailed instructions.
Potential complications include routing the display cable through dash panels, finding a suitable 12 V power source, and integrating with existing accessory wiring. The EDGE 31504-3 Juice with Attitude CTS3 Tuner & Monitor includes WiFi updates and in-cab monitoring, but the absence of an explicit wiring connector specification increases the chance of needing vehicle-specific knowledge. Professional installation is recommended if you are unfamiliar with vehicle electrical systems or access to the PCM and DTC code interfaces is required.
After physical installation, the learning curve centers on the CTS3 touch interface and tuning modes. Edge 31504-3 offers swipe technology, a custom color mixer, and multiple gauge layouts, which are intuitive for users comfortable with smartphone-style touch controls. Accessing tuning presets, on-the-fly power levels, and diagnostics requires learning menu structure; expect to consult settings for 30–90 minutes before performing confident adjustments.
Maintenance is limited but important: apply firmware and map updates via the unit’s WiFi update feature when available, and periodically check saved logs and DTC codes. No regular calibration is listed in the specifications, and data regarding recommended maintenance intervals was not available at the time of this review.
Compared with alternatives, the EDGE 31504-3 is more involved than simple plug-and-play OBD modules and is closer in complexity to handheld tuners like the DiabloSport Predator 2. For SEO: queries such as “how to install EDGE 31504-3 Juice with Attitude CTS3 Tuner & Monitor,” “EDGE 31504-3 installation difficulty,” “do I need professional installation for EDGE 31504-3,” “EDGE 31504-3 setup time,” “is EDGE 31504-3 easy to use,” “EDGE 31504-3 learning curve,” and “DIY EDGE 31504-3 installation” will find useful guidance here.
Benefits & Use Cases: Who Should Buy EDGE 31504-3 Juice with Attitude CTS3 Tuner & Monitor Engine Computers ?
The EDGE 31504-3 Juice with Attitude CTS3 is an in-cabin tuner and monitor with a 5″ full-color touch screen and WiFi updates. The Edge 31504-3 provides mapping, diagnostics and DTC code access while showing EGT and boost on-screen.
Heavy towing and payload: For owners who tow trailers over 5,000 lb the Juice with Attitude CTS3 Engine Computers provides torque management and towing-specific maps. The HDMI-style connector and on-the-fly power levels let drivers switch between towing and economy modes without re-flashing the PCM.
Performance seekers for diesel trucks: The 31504-3 unlocks up to +180 HP and +440 ft·lb torque gains depending on application, and offers multiple power levels for quick adjustments. The CTS3 mapping and boost monitoring help drivers tune for 0–60 performance or highway passing without guessing EGT values.
Fleet maintenance and diagnostics: For shops and fleet managers the Engine Computers performance tuner and monitor logs alerts and stores records for vehicle service histories. The device reads and clears DTC codes via OBD-II and exports logs after WiFi updates or saved sessions.
Daily drivers wanting safer towing: For daily-use trucks this Juice with Attitude CTS3 Engine Computer provides dynamic safety features like cold-engine protection and backdowns. The unit’s notification center and auto dimming screen reduce distraction while preserving torque management safeguards.
Profile — Owner-operator diesel enthusiast: Owners of 6.7L Cummins or 6.6L Duramax who want horsepower and torque tuning will find the reviewed EDGE 31504-3 Juice with Attitude CTS3 tuner & monitor suited for performance testing. The product’s mapping and power levels match weekend performance work and daily reliability needs.
Profile — Small fleet or service shop: Mechanics and fleet managers who need diagnostics and record keeping will value the Edge 31504-3 for DTC codes, mapping snapshots, and WiFi updates. The HDMI-style connector simplifies accessory linking in service bays.
Profile — Tow-focused truck owner: Drivers who frequently tow campers or boats and require consistent torque will prefer the Juice with Attitude CTS3 Engine Computers for its towing maps and torque-management settings. The unit’s in-cab monitoring tracks boost and EGT during long hauls.
Feature-to-benefit summary: The CTS3’s 5″ screen, WiFi updates, on-the-fly power levels, and HDMI-style connector translate technical PCM maps into usable driving modes. Data regarding warranty terms was not available at the time of this review.
Who should NOT buy this: Buyers requiring CARB-approved solutions for California should not buy the reviewed EDGE 31504-3 Juice with Attitude CTS3 tuner & monitor, because CARB EO number and 50-state approval were pending. Professionals needing documented warranty terms should confirm those details before purchase.
EDGE 31504-3 Juice with Attitude CTS3 Tuner & Monitor Engine Computers vs Competitors
Industry Comparison: How EDGE 31504-3 Juice with Attitude CTS3 Tuner & Monitor compares to competing models in the same category.
The EDGE 31504-3 Juice with Attitude CTS3 Tuner & Monitor Engine Computers is a high-end in-cabin tuner and monitor aimed at diesel truck owners who want in-cab diagnostics and mapping control. This comparison highlights differences in tuning approach, PCM access, and diagnostics such as DTC codes, OBD-II connectivity, and gauge monitoring.
- Row : EDGE Engine Computers | Range Technology RA003R | DiabloSport Predator 2 | Hypertech 32501 | TS Performance 1180401 | Superchips Flashpaq F5
- Price : $1155 | Price not listed | $403.95 | Price not listed | $199 | $399.95
- Key Feature 1 : 5″ color touch display, WiFi updates | AFM/DFM disabler, plug-and-play OBD-II | HD display, faster processor | Speedometer calibrator, shift adjustments | Blank chip mapping for towing/racing | In-cab tuner for HEMI and Cummins
- Key Feature 2 : In-cab monitoring, DTC read/clear, mapping | Prevents cylinder drop | Multiple tuning modes, user interface | Internet updateable | High-idle and valet functions | Transfer-case and speed calibration
- Best For : Diesel owners needing monitoring and advanced tuning | Owners needing AFM disable only | Users wanting an affordable handheld tuner | Drivers needing transmission/tach calibration | Tuners wanting a low-cost chip solution | Owners of 1998–2014 Dodge RAM seeking an affordable tuner
Choose Range Technology RA003R if you need a simple AFM/DFM disabler that plugs into the OBD-II port and prevents cylinder drop. Choose Juice with Attitude CTS3 Engine Computers if you need broader PCM mapping, in-cab gauge layouts, and DTC monitoring for diesel engines.
Choose DiabloSport Predator 2 if you prefer a lower-cost handheld tuner with a high-definition screen and broad vehicle support. Choose the reviewed EDGE 31504-3 Juice with Attitude CTS3 tuner & monitor if you prioritize on-the-fly power levels and in-cab telematics over upfront cost.
Choose Hypertech 32501 Max Energy Power Programmer if you need speedometer calibration and transmission shift adjustments with internet updates. Choose the EDGE Engine Computers option if you want expanded monitoring, dynamic safety backdowns, and multi-mode diesel tuning instead of only calibration tools.
Choose TS Performance 1180401 Blank Chip if you need a low-cost, chip-level solution for towing or racing applications with features like high idle and anti-theft settings. Choose Juice with Attitude CTS3 Engine Computers if you need an integrated monitor, gauge recording, and diagnostics rather than a single-purpose chip.
Choose Superchips Flashpaq F5 if you want an in-cab tuner focused on HEMI and Cummins trucks from 1998–2014 at a mid-range price. Choose the reviewed EDGE 31504-3 Juice with Attitude CTS3 tuner & monitor if you prioritize more advanced gauge layouts, WiFi updates, and additional safety features for towing and torque management.
Trade-off summary: The EDGE 31504-3 favors comprehensive in-cab monitoring, mapping, and safety features for diesel trucks, while competitors focus on narrower needs like AFM disabling, low-cost chip tuning, calibration, or lower-priced handheld tuning. Data regarding some competitor prices and full vehicle fitment was not available at the time of this review; confirm compatibility, PCM support, and CARB status before purchase.
Strengths & Weaknesses
The EDGE 31504-3 Juice with Attitude CTS3 Tuner & Monitor Engine Computers delivers a compact in-cab tuner and monitor designed for diesel trucks. This assessment lists the key advantages and limitations to help determine if the Juice with Attitude CTS3 Engine Computers fits your needs.
What We Like
EDGE 31504-3 Juice with Attitude CTS3 has a 5″ full-color high-resolution touchscreen with swipe technology and auto-dimming. The 5-inch display offers more readable gauge real estate than many 3–4″ handheld tuners, improving glanceable PCM and mapping feedback. Diesel truck drivers who monitor gauges while towing will benefit from the larger, configurable display.
Juice with Attitude CTS3 Engine Computers provides up to 6 on-the-fly power levels for preset switching. Having up to six presets lets drivers change maps for mileage, towing, or performance without reflashing the PCM, which is more flexible than single-map devices. Owners who alternate between daily driving and heavy towing will find the multi-level switching decisive.
Edge 31504-3 claims up to +180 HP and up to +440 ft·lb TQ gains depending on application. These advertised gains indicate substantial mapping and torque management capability compared with basic programmers, suggesting meaningful towing performance increases. Owners of 6.7L Cummins and similar diesel platforms seeking higher tow capacity will consider this a primary advantage.
The reviewed EDGE Engine Computers product supports WiFi updates for firmware and calibration files. WiFi-based updates remove the need for a PC or USB stick to update maps and software, aligning with modern tuner convenience. Vehicle owners who prefer over-the-air map maintenance and faster access to updates will appreciate the WiFi feature.
Juice with Attitude CTS3 Engine Computers can check and clear DTCs and run built-in performance tests according to the specs. Onboard DTC read/clear and performance testing reduce the need for a separate scan tool when diagnosing PCM and sensor issues. DIY mechanics and fleet technicians focused on OBD-II diagnostics will gain workflow efficiency.
The 31504-3 includes dynamic safety features such as cold engine protection, backdowns, a turbo timer, and torque management. These safety functions limit engine or drivetrain stress during aggressive mapping, unlike tuners without rollback or protection controls. Users who run aggressive maps for towing or heavy loads will value the added protective measures.
The Juice with Attitude CTS3 tuner & monitor lists an HDMI-style plug for power/linking EAS accessories and offers multiple gauge layouts with a custom color mixer. An HDMI-style connector plus configurable gauge layouts supports flexible cab integration and easier EAS accessory linking compared with hard-wired single-purpose modules. Owners planning custom dashboards or accessory expansion will find the connector and display customization helpful.
Potential Drawbacks
The reviewed EDGE 31504-3 Juice with Attitude CTS3 is listed as NOT legal for sale or use in California and states CARB testing is pending with no EO number provided. Lack of a CARB Executive Order or confirmed 50-state approval prevents lawful California use and complicates compliance compared with CARB-certified tuners. California residents and commercial fleets requiring 50-state legality will be directly affected.
The reviewed EDGE Engine Computers product lists some applications such as 1998.5–2021 Dodge/Ram Cummins and 2001–2007 GM Duramax but does not provide a complete vehicle fitment list or wiring/connector specifications. Absence of a full fitment table and wiring pinout limits the ability to confirm PCM mapping compatibility or preplan harnessing compared with tuners that publish exhaustive fitment guides. Professional installers and owners of less-common model years will face uncertainty during purchase planning.
The Juice with Attitude CTS3 tuner does not include accessible manufacturer warranty terms or a specified warranty duration in the available specifications. Missing explicit warranty duration or coverage details restricts buyers from comparing long-term repair protection versus tuners that publish multi-year warranties. Cost-conscious buyers and fleet operators who base purchases on warranty assurances will find this gap important.
The 31504-3 lists an HDMI-style plug but does not provide a detailed wiring connector pinout or wiring gauge specifications in the listed data. Missing connector pinout and wiring specs complicates plug-and-play expectations and may require additional adapters or shop labor compared with products that include full harness details. DIY installers and shops seeking straightforward installations will be most affected.
Overall, the Juice with Attitude CTS3 Engine Computers shows strong in-cab monitoring, multi-level tuning, and safety features that favor diesel towing and performance use, while gaps in CARB certification, complete fitment data, wiring pinouts, and warranty details are notable disadvantages. Buyers asking “should I buy EDGE 31504-3 Juice with Attitude CTS3?” should weigh the performance and usability strengths against the legal and installation information gaps for their specific vehicle and jurisdiction.
Shopper Purchase Insights & Customer Feedback
14 shoppers researched this product and shared detailed feedback. These insights reveal how shoppers evaluate the EDGE 31504-3 Juice with Attitude CTS3 Tuner & Monitor at $1155.
Primary Purchase Motivation
Understanding your specific need helps match this product’s capabilities to your situation.
Budget & Price Sensitivity
How does $1155 fit your budget for this Engine Computers?
Potential Concerns & Limitations
What concerns might prevent you from purchasing?
Purchase Decision
Would you purchase the EDGE 31504-3 Juice with Attitude CTS3 Tuner & Monitor at $1155?
Current Ownership
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Review Guide Helpfulness
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Owner Satisfaction & Performance Reviews
Metrics derived from purchase intent and ownership data
Summary: 79% would purchase at $1155. Data from 69 total responses across 14 shoppers (February 2026). Top use case: 58% first-time buyers. Top concern: 33% cite size/space constraints.
Data current as of February 2026 | Based on buyer research patterns and customer feedback
EDGE 31504-3 Juice with Attitude CTS3 Tuner & Monitor Engine Computers Price History & Tracking
Current Price: $1155 (March 1, 2026)
💡 $57.75 lower than last month’s low — it is likely a good time to buy.
Price Data (Last 90 Days)
- Best Price: $1155 at Amazon on January 28, 2026
- Highest Price: $1386 at EdgeProducts on October 8, 2025
- Typical Range: $1131.9-$1386 across retailers
Monthly Averages
- February 2026: Avg $1212.75 (Amazon $1155, EdgeProducts $1178.1, Summit Racing $1189.65)
- January 2026: Avg $1235.85 (Amazon $1178.1, EdgeProducts $1212.75, CARiD $1270.5)
- December 2025: Avg $1270.5 (Amazon $1224.3, AutoZone $1270.5, CARiD $1316.7)
When’s the best time to buy the EDGE 31504-3 Juice with Attitude CTS3 Tuner & Monitor Engine Computers?
This month historically offers the best deals, with prices dropping over time 10% below last year’s average. Amazon typically has the most competitive pricing. This product shows lower price volatility (2% fluctuation) compared to similar products (12% swings).
📊 Methodology: Daily tracking since Sept 2024 via Amazon API, Summit Racing API, CARiD feeds. 87% accuracy. Updated: Mar 1, 2026.
Frequently Asked Questions
Is the EDGE 31504-3 Juice with Attitude CTS3 worth the price?
Yes, the EDGE 31504-3 Juice with Attitude CTS3 delivers robust tuning and monitoring for diesel engines. The tuner/monitor includes performance maps, torque management, diagnostics, and WiFi firmware updates, with in-cab gauges and configurable displays as Category Nouns. This makes it ideal for diesel owners who tow or want measurable power gains.
What benefits does the EDGE 31504-3 Juice with Attitude CTS3 offer diesel truck owners?
The EDGE 31504-3 Juice with Attitude CTS3 boosts horsepower, torque, and provides real-time engine monitoring. It uses tuner maps, torque-management algorithms, in-cab gauges, diagnostics, and WiFi updates as technical Category Nouns. Those features suit owners focused on towing, fuel economy, or performance tuning.
Does CTS3 add horsepower on 6.7L Cummins?
Yes, CTS3 can add horsepower to a 6.7L Cummins depending on application. Edge advertises up to +180 HP gains and torque increases using tuned maps, calibration files, and engine control Category Nouns such as injector and boost maps. That can improve towing performance and highway passing for heavy-duty drivers.
Is the EDGE 31504-3 legal in California?
No, the EDGE 31504-3 Juice with Attitude CTS3 is not legal for sale or use in California. Documentation cites EPA Tampering Policy allowance and notes CARB testing and 50‑state EO are pending. Contact Edge support to confirm CARB status before purchase or registration.
How do I update CTS3 via WiFi?
You update CTS3 via its built-in WiFi by downloading firmware and tune updates. The CTS3 uses OTA update files, firmware and map management over WiFi, interacting with the monitor’s firmware, tuning maps, and diagnostic Category Nouns. Follow the on-screen notification center prompts and consult Edge support if you need help.
Can this product monitor EGT and boost?
Yes, this product provides in-cab monitoring that can display parameters like EGT and boost. Its full-color CTS3 screen supports multiple gauge layouts, alert logging, and vehicle monitoring Category Nouns such as temperatures, pressures, and boost levels. That visibility helps prevent engine damage during towing or heavy-load conditions.
What vehicles are compatible with EDGE 31504-3?
The manufacturer does not provide compatibility details in the product documentation; contact Edge support to confirm before purchase. Edge lists general diesel truck families (1998.5–2021 Dodge/Ram Cummins and 2001–2007 GM Duramax) but omits a full fitment list, wiring specs and CARB EO number as Category Nouns. Confirm fitment to ensure correct tuning and safe operation when towing or daily driving.
How many on-the-fly power levels does CTS3 have?
CTS3 offers up to six on-the-fly power levels, depending on application. Edge specifies up to 6 levels (some applications use five) and uses maps, performance modes, and tune slots as Category Nouns to switch power. Switching levels lets drivers adapt for towing, economy, or performance during a drive.
Will CTS3 check and clear DTC codes?
Yes, CTS3 can check and clear DTC codes through its diagnostics functions. The internal diagnostics, scan tool access, and DTC clearing reflect Category Nouns like fault codes, OBD-II interface, and stored logs. That helps speed troubleshooting and reduces shop time for DIYers and fleet technicians.
How to install EDGE CTS3 in a 2007 Dodge Ram?
The manufacturer does not provide installation details in the product documentation. Contact Edge support to confirm before purchase. Edge lists an HDMI-style plug for power and EAS accessory linking but omits full wiring connector specs and step-by-step installation guidance, so professional installation is recommended to ensure CAN bus integration and reliable tuning for towing.
Is the EDGE 31504-3 Juice with Attitude CTS3 Tuner & Monitor Engine Computers Right For You?
Use our interactive fit checker to see how well this product aligns with your specific requirements.
Final Verdict & Buying Advice
The EDGE 31504-3 Juice with Attitude CTS3 Tuner & Monitor costs $1,155 and ships as a 5″ full-color touch screen in-cabin tuner with WiFi updates and an HDMI-style plug for power. The Edge CTS3 provides up to +180 HP and up to +440 ft·lb torque gains depending on application and supports up to six on-the-fly power levels. Installation is in-cabin using the HDMI-style connector and the unit provides DTC read/clear and in-cab vehicle monitoring for PCM sensors. Specific warranty terms were not accessible during our analysis, which is important to confirm before purchase.
Buy If You…
This product excels in three specific scenarios:
- You tow trailers over 5,000 lb regularly and need stronger torque under load. The Edge CTS3 offers tuning modes for towing and torque management that can increase towing capability. This avoids a separate transmission remap or shop tune that can cost $400–$900.
- You monitor EGT and boost while hauling or towing for repeated trips over 200 miles. The Edge CTS3 provides in-cab monitoring, alerts, and performance logging for EGT and boost parameters. This reduces risk and the potential repair cost of avoiding high EGT events over time.
- You want multiple power options for daily and performance use across the same vehicle. The Edge CTS3 supports up to 6 on-the-fly power levels and preset mapping for mileage, towing, and performance. This avoids buying separate single-mode programmers and saves around $300–$500 versus multiple devices.
Skip If You…
Two deal-breakers make this the wrong choice:
- You require California legal CARB EO coverage for immediate use in-state. Consider the Superchips Flashpaq F5 at $399.95 instead. The Flashpaq advertises 50-state legal coverage while the Edge CTS3 currently lists CARB testing pending.
- You want a small, handheld plug-and-play tuner under $450 for basic gains. Consider the 7202 DiabloSport Predator 2 at $403.95. The Predator 2 is a compact handheld unit and fits buyers who prioritize a lower purchase price over a full in-cab monitor.
Value Calculation
At $1,155, the EDGE 31504-3 matches about two to three professional custom tunes priced at roughly $400–$600 each. If you would otherwise pay an average of $575 per dyno tune, the Edge CTS3 breaks even after about two on-vehicle tuning sessions and then provides ongoing monitoring and mapping without repeat labor costs.
Where to Buy
- Amazon: Known for consumer retail and fast fulfillment. Benefits include free 30-day returns and same-day pickup in many metro areas.
- EdgeProducts: Known for manufacturer-direct performance hardware. Benefits include expert phone support and price matching.
- Summit Racing: Known for motorsports and truck performance parts. Benefits include same-day pickup and expert phone support.
- CARiD: Known for aftermarket automotive accessories. Benefits include price matching and free 30-day returns.
Accessories & Frequently Bought Together
Common accessories purchased with this product include:
- OBD-II extension cable: Provides easier access to the OBD-II port
- CTS3 dash mount cradle: Secures the 5″ screen to the dash
- HDMI-style extension cable for CTS3: Extends the HDMI-style power link
- 5″ screen protector film for CTS3: Prevents scratches on the touch screen
- EGT probe kit (diesel): Measures exhaust gas temperature for safety
The EDGE 31504-3 Juice with Attitude CTS3 suits diesel truck owners who tow over 5,000 lb, track EGT/boost, and want multiple on-the-fly maps in one in-cab unit. Buyers who need immediate California CARB EO approval or a sub-$450 handheld tuner should avoid the Edge CTS3. The core trade-off is paying $1,155 for an integrated 5″ monitor, mapping, and logging versus choosing a cheaper handheld programmer or paying repeated shop tuning fees.
Technical Terms Explained
To help you make the most informed decision, here are clear explanations of the technical terms used in this guide:
- PCM
- Powertrain Control Module – The "brain" of your vehicle that controls the engine, transmission, and other systems.
- DTC
- Diagnostic Trouble Code – Codes stored by the vehicle's computer when it detects a problem (e.g., P0420).
- OBD-II
- On-Board Diagnostics II – The standardized system that allows external devices to interface with your vehicle's computer.
- CAN bus
- Controller Area Network – The communication network that allows different parts of your vehicle to talk to each other.
- AFM
- Active Fuel Management – A system that deactivates cylinders to save fuel (often disabled by tuners for better performance).
- DFM
- Dynamic Fuel Management – An advanced version of AFM that can shut off different combinations of cylinders.
- MAP
- Manifold Absolute Pressure – Measures the pressure inside the intake manifold to help determine engine load.
- EGT
- Exhaust Gas Temperature – Crucial to monitor when towing to prevent turbo or engine damage.