AFE LARGE BORE HD 3" DPF-BACK EXHAUST SYSTEM (POLISHED TIP) 5" Exhaust 3-hour DIY Install time

3-hour DIY Install time

Slide a 19mm or 22mm socket on the current lug nuts you have to check

improved pedal sensitivity

Derringer's special coolant temp watchdog prevents power addition when the engine is too cold or overheated

AFE LARGE BORE HD 3" DPF-BACK EXHAUST SYSTEM (POLISHED TIP) 5" Exhaust 3-hour DIY Install timeAFE 49 44128 LARGE BORE HD 3" DPF BACK EXHAUST SYSTEM 2020 2021 GM 3. 0L DURAMAX (CREW & EXTENDED CAB) The AFE 49 44128 Large Bore HD 3" DPF Back Exhaust System is a high quality performance replacement for the exhaust system in your 2020 2021 GM 1500 3. 0L Duramax. This exhaust system will look great while performing better as it features 409 stainless steel tubing that is mandrel bent for optimal flow. The 304 stainless steel exhaust tips included