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2020-2023 Duramax L5P 5" Downpipe Back Exhaust w/ Muffler (531016)
Fits both GM stock and PPE Up-Pipes
nozzles flow at 150 percent over and the injectors have had internal calibration upgrades for added fuel delivery
3L whether you're building a tow rig
all the way up to 4
2007.5-2010 Duramax LMM 5" DPF Back Exhaust No Muffler (531101) Material:Aluminized 2020-2023 Duramax L5P 5" Downpipe2007. 5 2010 Duramax LMM 5" DPF Back Exhaust No Muffler (531101) Constructed out of 16 gauge aluminized steel or T409 Stainless, this exhaust system is designed to simplify installation with included clamps, preweld contour bends and improved flanges. Enjoy a noticeable boost in performance, lowered EGTs and amplified air flow with this Flo~Pro system. For powerhouse performance, Flo~Pro delivers horsepower you can hear!