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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HKS is a Japanese manufacturer of premium performance parts founded in 1973 that has been at the forefront of turbocharged engine development, producing turbochargers, exhaust systems, engine management, intercoolers, and supporting performance components for some of the most iconic Japanese sports cars ever built. The brand's GT and GTIII turbocharger series, Super Sequential Blow Off Valves, and Racing Suction intake kits are recognized globally as benchmark-quality products that combine Japanese manufacturing precision with decades of motorsport development experience. HKS products are particularly well-known in the Toyota Supra, Mitsubishi Evo, Subaru STI, Nissan GT-R, and Honda NSX communities, where the brand's heritage in building the world's fastest versions of these cars has created a loyal following among enthusiasts who want the best available components. From a simple racing suction kit to a complete GT turbo with intercooler and ECU tune, HKS provides an end-to-end perf...
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