Sale

Exhaust Exhaust Pipes, Systems and Components

IRS

Circuit Spec 2-Piece Exhaust System

$605.00 $574.75 Save $30.25

SKU: IS-CSEXH-NB

In Stock
In Stock
Ships by Aug 3
Free Shipping over $100
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The ISR Performance Circuit Spec Exhaust is a direct-fit, 2-piece exhaust system engineered for the 1999-2005 Mazda Miata NB. Constructed from durable brushed stainless steel with a 2.5-inch pipe diameter, this exhaust system is designed to enhance your vehicle's performance and sound. Its two-piece design facilitates installation and integration with your existing exhaust components. This exhaust system is specifically designed for the Mazda Miata NB model years 1999 through 2005. It is crafted to provide an optimal balance of exhaust flow and sound, contributing to a sportier driving experience. The brushed stainless steel construction ensures longevity and resistance to corrosion.

MIA's Description

The ISR Performance Circuit Spec Exhaust is a 2-piece exhaust system designed for the 1999-2005 Mazda Miata NB. It features a 2.5-inch pipe diameter and is constructed from brushed stainless steel.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandIRS
Part NumberIS-CSEXH-NB
CategoryExhaust

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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