2017-2023 Duramax L5P P1 4" PLM Series Downpipe-back Race Exhaust System - No Muffler (C6056PLM)2017 2023 Duramax L5P P1 4" PLM Series Downpipe back Race Exhaust System No Muffler (C6056PLM) Stay at the top on race day in your 2017 2023 GMC Chevy 6. 6L L5P Duramax with the P1 Performance Products C6056PLM 4" PLM Series Race Exhaust System. P1 Performance Products PLM Series Race Exhaust System is built from aluminized steel and comes complete with OE style hangers and clamps for easy installation.

MBRP's 5" Cat Back PLM Series Exhaust System for your 2004

If running too much pressure to the CP3

7L 4" Flex Pipe Back Single w/ Muffler (411028 / 412028)

0L Power Stroke on the road

9L BD Diesel Fuel Injector Set (1040277)

Replace the leaking valve cover on your 1998

with a durable Black Oxide Coating

One of the most commonly failed components of a 6

for the life of your engine

this pedestal upgrade removes the valve

The OEM hubs are prone to fracturing at the two piece adjoining weld or the lube holes

9L Brand New Injector Set 50HP 15% Over (DDPN325-50)