2020-2026 Duramax 6.6 Stainless Steel 5" Full Exhaust - WITH MUFFLER featured This is a 4" Downpipe

This is a 4" Downpipe back single exhaust system that compares to the 680NM or SS680NM system by FLO-PRO and similar systems by MBRP and Jamo for the 2017-2019 6

Besides looking better

replace the clamp

4" Downpipe Back Race Exhaust

Our 2017-2019 "AP Style" Cold Air Intake uses the same massive intake filter as other options on the market

2020-2026 Duramax 6.6 Stainless Steel 5" Full Exhaust - WITH MUFFLER featured This is a 4" DownpipeThis is a 5" Downpipe back single exhaust system that compares to the 20151NM or SS20151NM system by FLO PRO and similar systems by MBRP and Jamo for the 2020 2026 6. 6L, 2500 3500 W OEM 4 BOLT FLANGE EC CC SB LB DUALLY, PICKUP ONLY. This kit allows you to remove the restrictive OE exhaust system, it will open up your exhaust system and lower your EGTs. This exhaust system INCLUDES a muffler and is intended for race trucks only. Comes with all the