ISR Performance Circuit Spec Exhaust - Miata NA 1.8 (94-97) Speedzone Performance LLC EXS 2008 Honda Civic MUGEN

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ISR Performance Circuit Spec Exhaust - Miata NA 1.8 (94-97) Speedzone Performance LLC EXS 2008 Honda Civic MUGENISR Performance Mazda Miata NA Circuit Spec Exhaust 1994 1997 Mid section and tail section are standard and there are no variations available. The exhaust features 2. 5'' brushed stainless steel piping and flanges, and a polished stainless steel muffler with 4'' tip. The current NA Miata exhausts have been tested on the OBD1 & 2 1. 8L NA Miatas and do feature a secondary o2 bung. If you have a 1. 6L Miata please see our newly released 1. 6L Circuit