SKU: 31013-BN002 | UPC: 4957266931325
HKS 1989-1994 240SX Sport Cat-Back Exhaust
The HKS Sport Cat-Back Exhaust (31013-BN002) replaces the factory system from the catalytic converter back on 1989-1994 Nissan 240SX S13 models. This full cat-back setup uses mandrel-bent piping to improve exhaust flow for noticeable gains in horsepower and torque. Drivers experience a deeper, more aggressive exhaust note that enhances the sports car driving thrill without excessive drone.
Key Features
- SUS304 Stainless Steel Construction: Provides corrosion resistance and long-lasting durability in harsh conditions.
- Mandrel-Bent Piping: Ensures smooth exhaust flow with 60.5mm diameter pipes to reduce backpressure and support engine performance.
- Hi-Power Silencer Design: Delivers a refined deep tone ideal for street and track use while maintaining comfort.
- Polished Single Tip: Adds a clean factory-plus look with 120mm diameter for visual appeal.
- Lightweight Build: Reduces overall vehicle weight by about 10kg compared to stock for better handling response.
Product Notes
- Check local sound regulations before installation as the system produces a sportier tone.
- Clean exhaust regularly to maintain finish and performance.
- Packaged in a single oversized box for protection during transit.
Installation Notes
- Professional installation recommended.
- Bolt-on design uses factory mounting points and hangers for straightforward fitment.
- No cutting or welding required on compatible S13 chassis vehicles.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1989-1994 | Nissan | 240SX | Base |
| 1989-1994 | Nissan | 240SX | SE |
| 1989-1994 | Nissan | 240SX | XE |
| 1989-1994 | Nissan | Silvia | S13 (KA24DE/SR20DET) |
Why Choose HKS?
- Established Japanese tuner since 1973 with motorsport-proven designs.
- High-quality materials ensure reliable performance over time.
- Engineered for precise fit and flow on Nissan platforms.
Frequently Asked Questions
- Q: Will this fit an SR20DET swapped 1989-1994 240SX?
A: Yes, it bolts directly to factory or common SR20DET catalytic converter flanges on S13 chassis. - Q: What material is used in the piping and muffler?
A: Full SUS304 stainless steel throughout for rust resistance and strength. - Q: What is the warranty and install difficulty?
A: HKS offers a 1-year limited warranty. installation takes 1-2 hours with basic tools for experienced mechanics.
Shipping & Handling
- Method: Ground shipping
- Availability: In stock – ships same or next business day
- Packaging: One oversized box measuring 48 x 12 x 12 inches
- Weight: 18 lbs
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