Flowmaster 20-25 GM 2500/3500 6.6L GAS Direct Fit FlowFX Muffler

Flowmaster's® Flow FX Direct-Fit Muffler exhaust system for the 2020-2026 GM 2500HD and 3500HD trucks with the 6.6L gas engines gives you a great value packed way to help you customize your GM truck to your personality. This performance muffler system fits both 2/4 Wheel drive models and is manufactured from 409 stainless steel for years of trouble-free service and performance. Features include a 3.50-inch inlet pipe leading into a 409 stainless steel Flow FX series "straight-through" muffler for great sound and maximum performance and no drone. The muffler then connects to the factory tailpipe for a simple and effective performance upgrade. Max dyno gains of 7 hp and 5 lb-ft at the rear wheels. This results in better acceleration and towing performance. The system uses all the factory hanger locations and connections for an easy installation that you can do at home. Kits include installation instructions and all necessary hardware. Backed by Flowmaster's Lifetime Limited Warranty. Fits 20-26 GM 2500HD/3500HD 6.6L Gas Engine FFX Direct Fit Muffler Exhaust System, 409 stainless steel

• A tuned Flow FX style muffler delivers a deep, aggressive to moderate performance tone and improves exhaust flow with no drone
• Kit includes complete hardware and factory styled hangers in the stock locations for an easy installation
• 3.5-inch mandrel bent 16-gauge 409 stainless steel tubing maximizes exhaust flow and improves durability
• Max increases of up to 7 hp and 5 lb-ft over the stock exhaust at the wheels
• Tuned performance muffler eliminates interior drone
• Maintains factory warranty
• Lifetime Limited Warranty

Fitment:
2020 Chevrolet Silverado 2500 HD
2020 Chevrolet Silverado 3500 HD
2020 GMC Sierra 2500 HD
2020 GMC Sierra 3500 HD
2021 Chevrolet Silverado 2500 HD
2021 Chevrolet Silverado 3500 HD
2021 GMC Sierra 2500 HD
2021 GMC Sierra 3500 HD
2022 Chevrolet Silverado 2500 HD
2022 Chevrolet Silverado 3500 HD
2022 GMC Sierra 2500 HD
2022 GMC Sierra 3500 HD
2023 Chevrolet Silverado 2500 HD
2023 Chevrolet Silverado 3500 HD
2023 GMC Sierra 2500 HD
2023 GMC Sierra 3500 HD
2024 Chevrolet Silverado 2500 HD
2024 Chevrolet Silverado 3500 HD
2024 GMC Sierra 2500 HD
2024 GMC Sierra 3500 HD
2025 Chevrolet Silverado 2500 HD
2025 Chevrolet Silverado 3500 HD
2025 GMC Sierra 2500 HD
2025 GMC Sierra 3500 HD
2026 Chevrolet Silverado 2500 HD
2026 Chevrolet Silverado 3500 HD
2026 GMC Sierra 2500 HD
2026 GMC Sierra 3500 HD


Air Freight Prohibited: false
Not Carb Approved: false
Carb Acknowledgement Required: false
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Units Per Sku: 1