99-05 Mazda Miata NB ISR Performance Circuit Spec Exhaust 

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.

IMPORTANT

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" Exhaust gaskets 

4x bolts

4x Nuts