going to put my new headers on tomorrow night after work. very excited! am i going to see noticable gains on an 04 sss? hope so!
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going to put my new headers on tomorrow night after work. very excited! am i going to see noticable gains on an 04 sss? hope so!
if they are longtubes then yes. if they are shorties they probably not. also will increase if you have a cat-bak or some sort of free flowing exhaust.