2011-2019 Duramax 5" Filter Back Exhaust (SD-6.6EX11)-Filter Back Exhaust System-Sinister-SD-6.6EX11-Dirty Diesel Customs

2011-2019 Duramax 5" Filter Back Exhaust (SD-6.6EX11)


Part Number: SD-6.6EX11

Sale price$677.58 CAD

This product ships for free to most Canadian locations! Learn more.

Fits: 2011-2019 GM 2500/3500 Truck w/6.6L Duramax V8

Want to make your truck look better, sound better, and go better all in one go!? The high-performance stainless steel exhaust system from Sinister Diesel is designed to maximize your Duramax truck's horsepower and deliver more torque to the wheels without any check engine light or need for a tuner. Each exhaust kit is precision cut and bent from 409 Stainless Steel for high corrosion resistance and easily bolts together using the included hardware and gaskets. This DPF-back 5-inch Duramax exhaust kit comes with all the components that you need to install this exhaust kit for any cab and bed size configuration.

Part Number: SD-6.6EX11

  • 5" Diameter for reduced restriction and improved exhaust flow
  • Improved Horsepower And Torque
  • 409 Stainless Steel Construction
  • Quicker Turbo Spool-up
  • Lower Exhaust Gas Temperatures
  • Improved Exhaust Note
  • Patent Pending Design
  • Fits short and long bed applications


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