Looking for aftermarket parts to modify or upgrade your 2021 GMC Sierra 2500 HD with dpf back? At Tunersports.com we carry a huge selection of the top name brand performance dpf back parts and accessories for your Sierra 2500 HD.
Whether you have a 2021 GMC Sierra 2500 HD in AT4 to SLT trim we have you covered. We have 4 dpf back available to mod your Sierra 2500 HD. All parts have free shipping to the Continental US 48 States.
 IN STOCK - LOW 49-44125-BThis DPF-back exhaust system is constructed of 5" mandrel-bent 409 stainless steel tubing for maximum strength and durability. Finishing off this exhaust system is a 6" diameter black 304 stainless steel intercooled clamp-on exhaust tip. The tip features an aFe POWER logo plate riveted on for a uniq... aFe Large Bore-HD 5 IN 409 SS DPF-Back Exhaust System w/Black Tip 20-21 GM Truck V8-6.6L 2020-2021 GMC Sierra 2500 HD Base 2020-2024 GMC Sierra 2500 HD AT4 / Denali / SLE / SLT $476.03 SALE |
 OUT OF STOCK 49-44126-BThis DPF-back exhaust system is constructed of 4" mandrel-bent 409 stainless steel tubing for maximum strength and durability. Finishing off this exhaust system are dual 5" diameter black 304 stainless steel intercooled clamp-on exhaust tips. The tips features an aFe POWER logo plate riveted on for ... aFe Large Bore-HD 4in 409SS DPF-Back Exhaust System w/Black Tip 20 GM Diesel Trucks V8-6.6L (td) L5P 2020-2021 GMC Sierra 2500 HD Base 2020-2024 GMC Sierra 2500 HD AT4 / Denali / SLE / SLT $664.13 SALE |
 IN STOCK - LOW 49-44126-PThis DPF-back exhaust system is constructed of 4" mandrel-bent 409 stainless steel tubing for maximum strength and durability. Finishing off this exhaust system are dual 5" diameter polished 304 stainless steel intercooled clamp-on exhaust tips. The tips features an aFe POWER logo plate riveted on f... aFe Large Bore-HD 4in 409SS DPF-Back Exhaust System w/Polished Tips 20 GM Diesel Trucks V8-6.6L 2020-2021 GMC Sierra 2500 HD Base 2020-2024 GMC Sierra 2500 HD AT4 / Denali / SLE / SLT $603.90 SALE |
 OUT OF STOCK 17072The Black DPF series is our premier MagnaFlow Performance DPF series with a twist, featuring the same stainless construction but with the added protection and style of a High Temp Satin Black Coating applied from tailpipe to tip.... MagnaFlow 21+ GMC Sierra 3500HD DPF-Back Black Filter-Back 5in Single Passenger Side Rear Exit 2007-2023 GMC Sierra 2500 HD SLE / SLT 2011-2023 GMC Sierra 2500 HD Denali 2015-2021 GMC Sierra 2500 HD Base 2020-2023 GMC Sierra 2500 HD AT4 $1,043.00 |