Spt upgrade
Spt upgrade
So I bought a 2007 STI and I was wondering if the SPT package came with an up pipe because I thought it was just a cat back and the intake that were upgraded. He gave me all the stock parts in the car and an up pipe was in there. Also I was wondering if I add a downpipe will I expect added noise from the exhaust, for example deeper tone, more turbo spool? Thanks.
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Manny
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