ISR Mazda Miata Performance Circuit Spec Catback Exhaust NA 1994-1997 | IS-CSEXH-NA 100 Compared to the original HPS

Compared to the original HPS compound

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2008-2021 Subaru WRX STi Hatchback

ISR Mazda Miata Performance Circuit Spec Catback Exhaust NA 1994-1997 | IS-CSEXH-NA 100 Compared to the original HPSIS CSEXH NA The Mazda Miata performance exhaust package features a sleek 2 piece design. The midsection and tail section are standard and with no variations on those parts. The exhaust features 2. 5'' brushed stainless steel piping and flanges, and a polished stainless steel muffler with a 4'' tip. The current NA Miata exhausts have been tested on the OBD1 & OBD2 1. 8L NA Miatas and feature a secondary O2 bung. This will only work with 1. 8L NA Miatas