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SKU: IS-S2EPSR-S13
ISR Performance Series II EP Single Tip Blast Pipe Exhaust - Resonated - 1989-1994 Nissan 240SX S13
The ISR Performance Series II EP Single resonated blast pipe exhaust delivers a deep, aggressive tone and increased flow for the S13 240SX with a single-exit design and 4.5" slant-cut tip. Featuring 3" mandrel-bent 304 stainless steel piping, a straight-through resonated muffler, and a "blast pipe" style outlet, this cat-back system provides improved throttle response, reduced weight, and a clean JDM-inspired look while keeping sound levels street-friendly compared to non-resonated versions.
Key Features
- 3" Mandrel-Bent 304 Stainless Tubing: Full 3" diameter from catalytic converter flange to tip for maximum flow.
- Resonated Muffler: Straight-through perforated core muffler reduces rasp and drone while maintaining aggressive tone.
- Single Exit Blast Pipe Design: 4.5" slant-cut tip with rolled edge for JDM style.
- Direct Bolt-On: Uses factory hangers and mounting points – no modification required.
- Polished Tip & Hanger: Mirror-polished 4.5" tip and stainless hangers.
- Power Gains: +10-15 whp / +12-18 wtq typical with supporting mods.
- Weight Savings: Approximately 10-15 lbs lighter than factory exhaust.
- Made for Performance: Designed and manufactured by ISR Performance.
Product Notes
- Complete cat-back system – bolts to factory or aftermarket catalytic converter.
- Part number: IS-S2EPSR-S13 (Series II resonated single tip).
- Single side exit (passenger side) with blast pipe styling.
- Fits all S13 models: Coupe, Convertible, Hatchback (1989-1994).
- Compatible with KA24DE and SR20DET engines.
- Total system weight approximately 28-32 lbs.
- Limited lifetime warranty on stainless construction.
Installation Notes
- Direct bolt-on replacement – no cutting or welding required.
- Professional installation recommended for proper hanger alignment.
- Use new gaskets at catalytic converter flange.
- Typical install time 1-2 hours.
This Part Fits
| Year | Make | Model | Chassis |
|---|---|---|---|
| 1989-1994 | Nissan | 240SX | S13 Coupe / Hatch / Convertible |
Why Choose ISR Performance?
- Leader in affordable high-quality S-Chassis exhaust systems.
- Series II EP Single is one of the most popular S13 exhausts for clean look and sound.
- Trusted by drift, street, and show 240SX owners worldwide.
Frequently Asked Questions
-
Q: Is this louder than stock?
A: Yes, deep aggressive tone with moderate volume thanks to resonator (quieter than non-resonated version). -
Q: Does it fit with aftermarket catalytic converters?
A: Yes, bolts to factory-style 2-bolt flange. -
Q: Will this cause a check engine light?
A: No, cat-back system does not affect O2 sensors or emissions.
Shipping & Handling
- Method: Freight truck (long box).
- Package Weight: Approximately 40–45 lbs.
- Box Dimensions (approx): 60" × 16" × 12".
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