Description
ISR Performance Circuit Spec Cat Back Exhaust Mazda Miata NB 1999 2005 IS CSEXH NB vendor_Ohlins this is the most powerful this is the most powerful modication that can be done to extract the full potential of the naturally aspirated machine The FX400 application is meant for heavily modified 02 05 WRXs that only see limited street driving and have upgraded gear sets