MBRP 4" INSTALLER SERIES FILTER-BACK EXHAUST SYSTEM (POLISHED) flowing 680 CFM and 87%

flowing 680 CFM and 87% more air than stock

this heavy-duty centerlink outperforms anything available from the factory on non-Hummer GM HD trucks

The Pulsar LT is a new in-line module for 2017-2019 Chevrolet Silverado and GMC Sierra 2500/3500 6

NEW PRODUCT 2020-2024+ Chevrolet Silverado & GMC Sierra 2500HD/3500HD including GMC AT4

MBRP 4" INSTALLER SERIES FILTER-BACK EXHAUST SYSTEM (POLISHED) flowing 680 CFM and 87%MBRP 4" INSTALLER SERIES FILTER BACK EXHAUST SYSTEM S6059AL 2020 2021 GM 6. 6L DURAMAX L5P (ALL CREW & EXT. CAB) The MBRP 4" Installer Series Filter Back Exhaust System S6059AL can reduce backpressure and lower EGTs in your 2020 2021 GM 6. 6L Duramax L5P. This exhaust features 4" heavy duty aluminized steel piping and fully sealed seams will increase the life of this exhaust system. Mandrel bent tubing means this exhaust system will retain a true 4