S S Sosick Oct 31, 2019 Hello, I have a 2015 Chevy Duramax 2500 fully deleted LML 1 grade up on the Turbo from stock and when I accelerate I get this weird noise like its back pressure coming out hard to explain
Hello, I have a 2015 Chevy Duramax 2500 fully deleted LML 1 grade up on the Turbo from stock and when I accelerate I get this weird noise like its back pressure coming out hard to explain
