GDP Downpipe Back Exhaust - Single (2020-2023 GM 2500/3500 6.6L Duramax L5P) o_vin We pride ourselves on offering

We pride ourselves on offering the largest tech support team in the industry

Fit for specific cab and box configurations (Pick Up Only) on 2013-2018 Dodge 2500/3500 6

and other diagnostic tools will continue to function normally

designed for 2020-2023 GM 2500/3500 6

So we came out with our own 4” Open Air intake kit

GDP Downpipe Back Exhaust - Single (2020-2023 GM 2500/3500 6.6L Duramax L5P) o_vin We pride ourselves on offeringGDP Downpipe Back Exhaust Single (2020 2023 GM 2500 3500 6. 6L Duramax L5P) Built for Strength. Engineered for Performance. Upgrade your exhaust system with the GDP Downpipe Back Exhaust, designed for 2020 2023 GM 2500 3500 6. 6L Duramax L5P. Built from T409 stainless steel, this system enhances airflow, durability, and horsepower, making it a must have for serious truck owners. Why Choose GDP? Heavy Duty Construction Mandrel bent T409 stainless steel