2.25" bore on a WRX or STI
09 September 2017, 09:31 AM
Scooby Regular
Thread Starter
Join Date: Apr 2007
Location: uk
Posts: 14,530
2.25" bore on a WRX or STI
I'm really confused how dealers can list a sport exhausts at 2.25" bore, when standard systems are 2.5" bore. Have i missed something?