2006-2013 Mazda Miata Circuit Spec Exhaust by ISR Performance
The ISR Performance NC Miata exhaust features a 3 piece 2.5'' brushed stainless steel piping and flanges, and a polished stainless steel muffler with 4'' tip.
Please Note: This exhaust does not have an o2 bung, if your NC is fitted with an o2 sensors in the exhaust down stream of the header you will need to have a fitting welded to the exhaust. Manual transmission only.
