SKU: 34001-AK003 | UPC: 4957266920039
HKS Gasket 65mm Universal EX (2pcs)
HKS 65mm Universal EX Gaskets come as a set of two for secure exhaust connections on 65mm piping in custom performance builds. These gaskets create airtight seals to prevent exhaust leaks and maintain backpressure control for better engine response. Built for high-heat environments they support modified exhaust manifolds headers and cat-back systems across JDM and import vehicles.
Key Features
- 65mm Inner Diameter: Matches standard 65mm exhaust tubing for direct fit without modifications ensuring smooth flow and no restrictions.
- High-Temperature Resistance: Withstands up to 1000°C to handle turbocharged and supercharged exhaust gases without degrading or blowing out.
- Multi-Layer Steel Construction: Provides compression recovery and long-term durability even after repeated heat cycles and torque applications.
- Precision Die-Cut Edges: Aligns perfectly with exhaust flanges to eliminate gaps and boost sealing performance under boost pressure.
- Two-Piece Set: Includes extras for multiple joints like manifold-to-downpipe or midpipe connections in full exhaust upgrades.
Product Notes
- Inspect exhaust flanges for flatness before installation to achieve optimal compression.
- Avoid reusing gaskets after disassembly. replace for consistent performance.
- Packaged in protective sleeve to prevent damage during transit.
Installation Notes
- Professional installation recommended.
- Torque bolts to 20-25 ft-lbs in a crisscross pattern using anti-seize on studs.
- Compatible with standard V-band and bolt-flange exhaust clamps.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| Universal | Various JDM/Import | 65mm Exhaust Systems | Turbo/NA Builds |
| 2002-2007 | Subaru | Impreza WRX | STI |
| 2003-2008 | Nissan | 350Z | All |
| 1993-2002 | Toyota | Supra | Turbo |
| 1989-2002 | Nissan | Skyline GT-R | R32/R33/R34 |
| 2017+ | Honda | Civic Type R | FK8 |
Why Choose HKS?
- Decades of motorsport experience from Japanese racing teams.
- Materials tested in Super GT and drift competitions for reliability.
- Exact tolerances from CNC manufacturing for zero compromise sealing.
Frequently Asked Questions
- Q: Will this gasket fit my Subaru WRX exhaust setup?
A: Yes it fits 65mm piping on WRX/STI models with HKS or aftermarket headers and downpipes. confirm flange OD measures around 85-90mm. - Q: What material are these gaskets made from?
A: Multi-layer stainless steel with graphite coating for superior heat resistance and reusability in performance applications. - Q: Is there a warranty and easy install?
A: HKS offers defect coverage. bolts onto standard flanges with basic tools though pro tuning advised for alignment.
Shipping & Handling
- Method: USPS First Class or UPS Ground
- Availability: In stock – ships same or next business day
- Packaging: Compact poly sleeve 6 x 4 x 0.5 inches
- Weight: 0.2 lbs





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