Flowmaster Flow FX Direct Fit Muffler BDXN 718155 ^

Call us today to order your Flowmaster Flow FX Direct Fit Muffler!

Part # 718155

• 3.5-inch mandrel bent 16-gauge 409 stainless steel tubing maximizes exhaust flow and improves durability
• Kit includes complete hardware and factory styled hangers in the stock locations for an easy installation
• A tuned Flow FX style muffler delivers a deep, aggressive to moderate performance tone and improves exhaust flow with no drone
• 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

"Flowmaster's® FlowFX 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."

Vehicle information below is not a guaranty of fitment. If you have fitment concerns, please call prior to ordering.

2020-2026 Chevrolet Silverado 2500 HD Custom; 2020-2026 Chevrolet Silverado 2500 HD High Country; 2020-2026 Chevrolet Silverado 2500 HD LT; 2020-2026 Chevrolet Silverado 2500 HD LTZ; 2020-2026 Chevrolet Silverado 2500 HD WT; 2024-2026 Chevrolet Silverado 2500 HD ZR2; 2020-2025 Chevrolet Silverado 3500 HD Base; 2020-2026 Chevrolet Silverado 3500 HD High Country; 2020-2026 Chevrolet Silverado 3500 HD LT; 2020-2026 Chevrolet Silverado 3500 HD LTZ; 2020-2026 Chevrolet Silverado 3500 HD WT; 2020-2026 GMC Sierra 2500 HD AT4; 2024-2026 GMC Sierra 2500 HD AT4X; 2020-2021 GMC Sierra 2500 HD Base; 2020-2026 GMC Sierra 2500 HD Denali; 2022-2026 GMC Sierra 2500 HD Pro; 2020-2026 GMC Sierra 2500 HD SLE; 2020-2026 GMC Sierra 2500 HD SLT; 2020-2026 GMC Sierra 3500 HD AT4; 2020-2021 GMC Sierra 3500 HD Base; 2020-2026 GMC Sierra 3500 HD Denali; 2022-2026 GMC Sierra 3500 HD Pro; 2020-2026 GMC Sierra 3500 HD SLE; 2020-2026 GMC Sierra 3500 HD SLT

We are an authorized retailer for all Flowmaster products. The standard manufacturer warranty applies. If you ever have manufacturer warranty concerns or questions on products you purchased from us, we can help! We are a family owned and operated company that values all of our customers. We are here to assist with all future warranty concerns!