Murdered05GT Posted March 27, 2010 Share Posted March 27, 2010 I recently installed an sti up-pipe and gutted my DP. The noise that came out is alot louder than i expected, it sounds like its almost open headers, but everything is connected from DP back. Any help would be great. Link to comment Share on other sites More sharing options...
Darkness of Death Posted March 27, 2010 Share Posted March 27, 2010 maybe you have a leak??? i'm not sure if it's supposed to be louder going catless..and if so, by how much. can you pin point which area the noise is coming from. front end. mid car..? you should have posted this in the exhaust section. i'm not a moderator, so i can't move it there for you Link to comment Share on other sites More sharing options...
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