Originally Posted by
zenith
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.
You are correct, the package did not come with an up-pipe.
Originally Posted by
zenith
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.
Yes, yes, and yes.
Manny