Best 6.7 Cummins Downpipe Upgrades
Downpipe upgrades are a major topic for any turbo engine. The downpipe (DP) bolts directly to the turbocharger making it an incredibly important piece of the exhaust system. Among the best bolt-on upgrades for the 6.7 Cummins turbodiesel is a downpipe. What is it that makes the DP such a great mod? In this article,…