What are the material specifications for the Flowmaster Outlaw Kit?

The Flowmaster 817726 Outlaw Cat-Back Exhaust Kit uses a stainless steel construction for its primary piping and components. This material choice provides the structural integrity required for high-heat environments while offering better resistance to corrosion than standard aluminized steel. We selected this kit for our comparison of high-performance exhaust systems because of its specific material durability and the inclusion of the Super 10 Series performance muffler.

The Flowmaster Outlaw Kit features 4.00-inch black ceramic coated tips and includes both rear and side tailpipe exits. Because this is a cat-back exhaust system—a component that replaces the section of the exhaust from the catalytic converter to the rear—the material grade is critical for preventing rust in areas where road salt and moisture accumulate. The kit includes a lifetime limited warranty, but you must confirm if the hangers and clamps are also stainless steel or a different material to ensure the hardware does not fail before the pipes. This system is designed as a bolt-on kit, but you should confirm with the manufacturer that it meets your local emissions regulations before purchasing.

What to Check Before Buying the Flowmaster Outlaw Kit

Verify these specific material and fitment details before ordering to ensure the exhaust meets your requirements:

• Verify if the mounting hangers and clamps are included in the stainless steel construction or if they are a separate material.
• Check the wall thickness of the piping to ensure it is sufficient to prevent drone or vibration at specific RPMs.
• Confirm the kit’s compatibility with your local emissions standards to avoid legal issues during inspection.
• Verify that the 4.00-inch tips and side exits provide the necessary clearance for your vehicle’s rear bumper and chassis.

Comparing the Flowmaster Outlaw Kit to Other Exhaust Options

The Flowmaster Outlaw Kit sits in the performance tier of the market, focusing on a balance between material durability and sound profile. Buyers seeking a lighter weight or more exotic material might look for titanium-wrapped systems, which serve as the high-end engineering benchmark for weight reduction. Conversely, those seeking a quieter, more subtle change might prefer a standard OEM-style replacement that prioritizes flow characteristics over the aggressive note of the Super 10 Series muffler. If you require a system that prioritizes maximum weight savings over the robust stainless steel construction found here, you may want to evaluate high-end specialty brands.

If you own a smaller roadster, you should see the best cat back exhaust system for mazda miata to find a compatible upgrade.

If you need a durable, bolt-on exhaust system with a high-performance muffler and a lifetime warranty, the Flowmaster Outlaw Kit is a reliable choice. For those who require specific material grades for extreme climates or ultra-lightweight exotic metals, you should consider higher-tier specialty alternatives.