Flowmaster
Flowmaster 11-19 GM 2500HD/3500HD 6.0L FlowFX DOS Cat-Back Exhaust System
Flowmaster 11-19 GM 2500HD/3500HD 6.0L FlowFX DOS Cat-Back Exhaust System
This Flowmaster® Flow FX® cat-back exhaust system for the 2011-2019 GM 2500HD/3500HD trucks with the 6.0-liter engine is manufactured using durable 409 stainless steel throughout and features 3.50 to 3.00-inch mandrel bent pipes for better exhaust gas flow. This system exits with dual 4.00-inch black stainless steel tips for added style and a custom look. Max gains of 10 hp and 10 lb-ft of torque at the rear wheels over stock. The system uses all the existing factory hanger locations and includes installation instructions and all necessary hardware for an easy installation that you can do at home. Fits extended cab or crew cab models with the 6.5 foot bed only. Backed by Flowmaster's Lifetime Limited Warranty.
Genuine Flowmaster. Part number 717987.
Ships from US warehouse.
WARNING: California Proposition 65 — this product can expose you to chemicals known to the State of California to cause cancer or reproductive harm.

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