Description

Unleash the full potential of your 2015.5–2016 GMC Sierra or Chevy Silverado 2500/3500 LML Duramax 6.6L with this 4″ DPF, EGR, DEF & CCV Delete All-in-One Kit . Built from heavy-duty T-409 stainless steel , this free-flowing exhaust system eliminates restrictive factory components for maximum performance, efficiency, and reliability. The included Mini Maxx V2 Delete Tuner delivers preloaded race tuning that removes emissions-related sensors and prevents check engine lights or diagnostic codes. By eliminating the DPF, CAT, EGR, DEF, and CCV system , your Duramax engine breathes easier—resulting in noticeable horsepower and torque gains, improved throttle response, and significantly lower exhaust gas temperatures (EGTs). This system is designed exclusively for models with the OEM 3-bolt flange coming off the turbo direct pipe (not compatible with V-band clamp or Cab & Chassis trucks). With optimized exhaust flow and reduced backpressure, you’ll experience enhanced pulling power, better fuel economy, and cleaner engine operation. For drivers seeking a quieter ride, a muffler option can be added to refine the exhaust tone. Many users report improved fuel mileage—often gaining up to 5 MPG —making this one of the best upgrades for your Duramax.