YES!!!! Finally Its HERE!!! Stillen Exhaust
#137
Originally Posted by UltimateGee27
yea what is that sssss sound??? sounds like a flapping piece of paper
I may be wrong but when I put 2.5inch pipes and not so big tip/muffler on my sti it sounded the same, with that sssss at the end, when i changed it to 3inch and bigger tips/mufflers it went away...so could it be too much back pressure?
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