This listing is for a brand new ISR Performance NB Miata exhaust that 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.

What’s in the box: 

• 1x Resonated Front Pipe
• 1x Stainless Steel Muffler w/ 4" Tip
• 2x 2.5" Exhaust Gaskets
• 4x Bolts
• 4x Nuts

Application:

Mazda: Miata NB (1999-2005)