If you have a Cat in the OE location:
If you have a aftermarket CAT with 6 inches of the OE location:
If you have no CAT (cats are overrated:P) FSP for you. That's where all the cool Foci aspire to be anyway \/\/
Parking Lot Hero
2008 WRX daily driver
2003 ZX3 23D Autox Car 42 FSP
"Hella Functional - Raced, Not Hard Parked"