2015.5-2016 Duramax LML P1 4" Downpipe Back Exhaust - No Muffler (C6045SLM)

Maximize performance in your race built 2015.5-2016 GM 6.6L Duramax with the P1 Performance Products C6045SLM 4" SLM Series Downpipe-Back Competition Exhaust. Built from heavy-duty aluminized steel, the P1 Performance Products Performance Series exhaust systems offer a value price without compromising on the quality built into every component. While the seams are a major point of rust through with some budget systems, P1 Performance Products's fully sealed tubing adds years of life to your system.