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SKU: IS-S2GTNR-S13
ISR Performance Series II GT Single Exhaust Non-Resonated 89-94 Nissan 240SX S13
The ISR Performance IS-S2GTNR-S13 Series II GT Single Exhaust is the best non-resonated cat-back upgrade for 1989-1994 Nissan 240SX (S13) owners seeking aggressive sound, improved flow, and lightweight performance. This single-exit system features mandrel-bent stainless tubing, high-flow muffler, and clean rear tip for noticeable power gains, quicker turbo spool (if boosted), and deep tone without excessive drone.
Key Features
- Non-Resonated Design: Removes resonator for raw, aggressive exhaust note and maximum flow
- GT Single Exit: Clean single rear exit with polished or black tip for sporty appearance
- Mandrel-Bent Tubing: Smooth bends reduce backpressure for improved horsepower and torque
- Lightweight Stainless: T-304 stainless construction for durability and corrosion resistance
Specifications
| Specification | Detail |
|---|---|
| Part Number | IS-S2GTNR-S13 |
| System Type | Cat-Back Non-Resonated |
| Pipe Diameter | 3 inch (or 2.5-3" stepped) |
| Material | T-304 Stainless Steel |
| Tip Style | Single Polished or Black |
| Exit | Single Rear |
| Country of Origin | United States |
| Warranty | Limited |
Product Notes
- Non-resonated for maximum volume and flow – resonator delete for track/street aggressive sound
- Compatible with stock or aftermarket headers/cats – professional install recommended
Installation Notes
- Estimated time: 2-4 hours, moderate difficulty, lift or jack stands required
- Bolt-on system – uses factory hangers, may require minor adjustment for perfect fit
This Part Fits
| Year | Make | Model | Notes |
|---|---|---|---|
| 1989-1994 | Nissan | 240SX (S13) | Coupe & Hatchback |
| 1989-1994 | Nissan | Silvia S13 | Non-US Models |
Why Choose ISR Performance?
- Specialist in JDM and import performance exhaust systems with proven fitment
- High-flow mandrel-bent stainless for power gains and aggressive sound
- Trusted by 240SX and S-chassis enthusiasts for quality and value
Frequently Asked Questions
-
Q: How loud is it?
A: Aggressive and deep tone – non-resonated for track/street volume, minimal drone. -
Q: Does it fit stock cats?
A: Yes, bolts to factory catalytic converter or aftermarket headers. -
Q: Is it 3-inch full?
A: Yes, mandrel-bent 3" piping for maximum flow on 240SX. -
Q: Will it trigger check engine light?
A: No, cat-back only – no emissions impact with stock cats.
Shipping & Handling
- Method: UPS/FedEx Ground
- Availability: In stock, ships same or next business day
- Packaging: Official ISR retail box
Axle Back
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Black Ops Auto Works carries one of the largest selections of performance exhaust systems available online, with 7,700+ products covering cat-back exhausts, axle-back exhausts, turbo-back systems, downpipes, headers, mid-pipes, X-pipes, H-pipes, mufflers, resonators, catalytic converters, exhaust tips, and every component in between. Whether you're building a street car, a daily driver, a diesel truck, or a track build, the right exhaust upgrade is here. Shop by Exhaust System Type Cat-Back Exhaust Systems: The most popular performance exhaust upgrade. Replaces everything from the catalytic converter back for improved sound, better flow, and premium tip styling. Available in single exit, dual exit, and quad exit configurations. Axle-Back Exhaust Systems: A simpler bolt-on that replaces the rear section from the axle back. Best for drivers who want an improved exhaust note and cleaner tip appearance without a full system swap. Headers and Manifolds: Long tube headers and shorty h...
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