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SKU: 3203-EX002 | UPC: 4957266923191
HKS 90-91 Acura Integra GS/LS/RS Hi-Power Exhaust
The HKS Hi-Power Exhaust is a complete cat-back performance exhaust system built for 1990-1991 Acura Integra GS, LS, RS models. It improves exhaust flow for gains in horsepower, torque, and throttle response paired with a deep, aggressive exhaust tone. This direct bolt-on upgrade uses premium construction to deliver reliable power and style.
Key Features
- SUS304 Stainless Steel: Full construction resists corrosion and ensures long-term durability in all conditions
- Mandrel-Bent 60.5mm Piping: Smooth bends promote high-volume exhaust flow for noticeable power increases
- Hi-Power SPEC-L Silencer: Volume 12L design produces throaty sound levels around 93dB with minimal cabin drone
- Single Oval Tip: 90mm x 115mm polished finish adds a sporty look to the rear end
- Lightweight Build: 10.8kg system cuts 4.2kg from stock 15kg weight for better vehicle balance
Product Notes
- Special order item with typical lead time of 5-10 business days from HKS Japan
- Wipe down with mild soap to preserve jet-black tip finish
- Oversized packaging requires secure storage upon receipt
Installation Notes
- Professional installation recommended.
- Bolt-on fitment with no cutting or welding needed
- Uses stock hangers and includes stainless clamps, gaskets
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1990 | Acura | Integra | GS |
| 1990 | Acura | Integra | LS |
| 1991 | Acura | Integra | GS |
| 1991 | Acura | Integra | LS |
| 1991 | Acura | Integra | RS |
Why Choose HKS?
- Motorsport-proven designs from Super GT and drag racing
- High-quality materials tested for street and track use
- Exact engineering for JDM vehicles like Acura Integra
Frequently Asked Questions
-
Q: Will this fit 1990-1991 Integra GS-R models?
A: No, designed for GS, LS, RS 1.6L/1.8L SOHC only, GS-R requires different part -
Q: What materials and finish does it have?
A: Entire system uses SUS304 stainless steel with polished SUS304 oval tip and black coating option -
Q: What warranty coverage applies?
A: HKS provides 1-year limited warranty for defects in materials or workmanship
Shipping & Handling
- Method: UPS or FedEx Ground
- Availability: Special order - typically ships within 5-10 business days
- Packaging: Oversized box 55 x 12 x 12 inches
- Weight: 25 lbs shipping, 23.8 lbs product
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