ISR Performance Circuit Spec Cat Back Exhaust Mazda Miata NB 1999-2005 | IS-CSEXH-NB vendor_Ohlins as well as the GrimmSpeed

as well as the GrimmSpeed Lightweight Crank Pulley

Due to the lobe size

Part #: F2174P

The FX400 application is meant for heavily modified 02-05 WRXs that only see limited street driving and have upgraded gear sets

Core Size: 13

ISR Performance Circuit Spec Cat Back Exhaust Mazda Miata NB 1999-2005 | IS-CSEXH-NB vendor_Ohlins as well as the GrimmSpeedPart #: IS CSEXH NB A front and mid pipe that mounts directly to the header and features an integrated muffler. This section of pipe is 2. 5'' brushed stainless steel construction. The rear section will feature a polished stainless steel muffler with 4'' tip. The NB Miata exhausts also come with a secondary o2 bung and o2 bung extension for individuals using factory ECU who do not want to have a CEL. Features a 2 piece design. IMPORTANT NOTE: This