ISR Performance

ISR Performance Mazda Miata NB Circuit Spec Exhaust-(1999-2005)

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Current stock: 163

ISR Performance Mazda Miata NB Circuit Spec Exhaust 1999-2005

Features a 2 piece design.

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.



this exhaust has not been tested on the turbo mazdaspeed model

** All ISR Performance Products are Designed for Off Road Use Only **



Whats in the box:


1x  Resonated front pipe




1x Stainless steel muffler with 4'' tip




2x 2.5" Exhuast gaskets 




4x bolts




4x Nuts


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