Moderate Straight-Through Performance
Introducing Flowmaster’s line of FlowFX exhaust systems. These systems are perfect for the person looking for an moderate exterior and interior sound level with all of the performance benefits that you would expect from Flowmaster. New features include bright 409S stainless steel tubing mated to our new FlowFX straight-through mufflers with a large 3.00 inch core for maximum performance and a deep, aggressive
sound.
Introducing Flowmaster’s line of FlowFX exhaust systems. These systems are perfect for the person looking for an moderate exterior and interior sound level with all of the performance benefits that you would expect from Flowmaster. New features include bright 409S stainless steel tubing mated to our new FlowFX straight-through mufflers with a large 3.00 inch core for maximum performance and a deep, aggressive
sound.
Fitment Information
- Chevy Silverado 2500/3500 (2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019)
- GMC Sierra 2500/3500 (2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019)
- HD 6.0L V8 Crew Cab/6.5' Bed
Emissions Compliance
This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.
Specs & Features
- Max increases of up to 21 hp and 23 lb-ft over the stock exhaust at the rear wheels
- 3.50-inch mandrel bent 16-gauge 409 stainless steel tubing maximizes exhaust flow and improves durability
- 5.00-inch black ceramic coated tip adds a custom look to the truck
- Includes complete hardware and factory styled hangers in the stock locations for an easy installation
- Flowfx “straight through” performance muffler delivers a deep, moderate performance tone and improves exhaust flow
- Backed by Flowmaster’s lifetime limited warranty
Product Description
The new Flowmaster® Flow FX® cat-back exhaust system for the 2011-2019 GM Silverado/Sierra 2500/3500 HD trucks with the 6.0-liter engine is manufactured using durable 409 stainless steel throughout and features 3.50-inch mandrel bent pipes for better exhaust gas flow, and a Flow FX "straight-through" muffler is used for a moderate sound level and maximum performance. Maximum increases on the dyno revealed +21 hp and +23 lb-ft at the rear wheels. This system exits out the side, behind the rear wheel with a 5.00-inch black ceramic tip for added style and a custom look. 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. This exhaust system was designed for Crew Cab Short Bed trucks with the 6.5-foot bed and is backed by Flowmaster's Lifetime Limited Warranty.
Redline360 is an authorized Flowmaster dealer and sells only genuine Flowmaster products.
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