ISR Performance
ISR Performance Circuit Spec Exhaust - 94-97 Miata NA 1.8 - IS-CSEXH-NA
- SKU:
- ISRIS-CSEXH-NA
- UPC:
- ISR0000689
- MPN:
- IS-CSEXH-NA
- Availability:
- Regularly stocked product
Description
Is this catback exhaust system designed for my specific vehicle model?
ISR Circuit Spec Catback exhausts are engineered for precise fitment; always confirm compatibility with your specific vehicle model before purchase.
What type of installation does this catback exhaust system require?
Professional installation is strongly recommended for this Catback exhaust system to ensure optimal performance and secure fitment.
The ISR Circuit Spec Catback exhaust system is built for track and racing competition use, achieving a 9/9 score for unrestricted exhaust flow. This Catback utilizes optimized piping for a noticeable surge in horsepower and torque. Experience significant engine performance gains and a visceral race-inspired exhaust note with this expertly engineered Catback.
What Owners Say
Owners and enthusiasts consistently highlight the ISR Circuit Spec Exhaust as a solid off-the-shelf option that delivers excellent flow through its full 2.5" diameter piping at a competitive price point. The system is frequently described as "pretty damn loud," particularly on naturally aspirated setups, which appeals to drivers seeking an aggressive sound profile. Many appreciate the resonated cat delete configuration for specific build requirements. While the volume level may be more aggressive than some expect, the combination of proven flow characteristics, straightforward design, and accessible pricing has earned this exhaust a strong reputation among Miata owners looking for reliable performance without breaking the bank.
Why Choose the ISR Circuit Spec Exhausts
Delivers a visceral, race-inspired exhaust note that amplifies your driving passion.
Achieves unrestricted exhaust flow for a noticeable surge in horsepower and torque.
Transforms your vehicle's performance with a lighter, more responsive feel.
Provides a premium, aggressive tone that commands attention on every drive.
Who Is This For?
Track / Autocross — 9/10
Unrestricted flow for noticeable horsepower and torque surge.
Drag Racing — 9/10
Unrestricted flow for noticeable horsepower and torque surge.
Street Performance — 8/10
Unrestricted flow for noticeable horsepower and torque surge.
Racing Competition — 9/10
Unrestricted flow for noticeable horsepower and torque surge.
Engine Performance — 9/10
Achieves unrestricted exhaust flow for horsepower and torque.
Additional Resources
Browse More: Shop All Catback — Exhaust, Mufflers & Tips
Additional Information
Clearance Item: |
N |
MPN: |
IS-CSEXH-NA |
Proposition 65: |
N |
Case Lot Quantity: |
1 |
Category: |
Exhaust, Mufflers & Tips>Catback |
Universal Fitment: |
Y |
Track / Autocross: |
9/10 |
Drag Racing: |
9/10 |
Street Performance: |
8/10 |
Racing Competition: |
9/10 |
Engine Performance: |
9/10 |
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