Flowmaster Outlaw Dual Exhaust System with Polished Tips; Side/Rear Exit (20-26 6.6L Gas Sierra 3500 HD)Find parts that fit my vehicle

Aggressive Performance Exhaust. The Flowmaster Outlaw Dual Exhaust System with Polished Tips and Side/Rear Exit options is designed to enhance the sound and performance of your truck. This cat-back system delivers an aggressive tone both inside and outside the cabin while increasing horsepower and torque for improved vehicle power and responsiveness. Its design allows you to choose between dual rear or dual side exit configurations, offering versatility for different driving needs, including towing.

Construction and Appearance. Crafted from mandrel-bent 16-gauge 409 stainless steel tubing, this system ensures maximum exhaust flow and durability. The black high-temperature painted chambered muffler produces a deep, aggressive sound, while the polished 4.00-inch double-wall stainless steel tips provide a refined custom look. Complete with factory-styled hangers and hardware, the system features durable materials designed for lasting performance.

Installation. This exhaust system features a straightforward, bolt-on installation with no drilling required. It uses existing factory hangers, making it accessible for both professional and experienced home mechanics.

Warranty. Covered by a lifetime limited warranty, ensuring long-term protection against defects.

Application. Specifically engineered to fit the 2020-2026 Chevrolet and GMC Sierra 3500 HD 6.6L gas engine models with no noted exclusions.

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