My 2001 Dodge Cummins had a silencer ring in the turbo. It was more or less just a big snap ring. I took that out and it really made a big difference. I don't know if the Duramax has that or not and I haven't had the time yet to check.
1 - 1 of 1 Posts
This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.
A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. Come join the discussion about modifications, towing, classifieds, troubleshooting, maintenance, and more!