GT Spec 3 bolt up pipe
 

GT Spec 3 bolt up pipe that came off my 2003 STI Type UK prior to the rotated setup being fitted. Heat wrap worn away on the bend where it has been sat in the box and was rubbing. Looking for £50



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Bump

SFS

Bump

Price drop :)

hi - will this fit a ej25 on a 2007 Hawkeye UK STI?
And more to the point , any spool up improvement?
John

This will fit a hawkeye STI. That being said, it would depend on your current headers - i.e if the up pipe you currently have fitted is a 2 bolt type, then the headers would also require changing to a 3 bolt type.

As for gains, you would notice a gain with this up pipe over standard but to see a huge benefit, it would be advisable to have mapping to get the best out of it