SKU: 34001-AK023 | UPC: 4957266920305
HKS Muffler Gasket 60.8mm ID 68.8mm OD Subaru WRX STI 2004-2021 Nissan 350Z 370Z GT-R
This HKS muffler gasket measures 60.8mm inner diameter and 68.8mm outer diameter for precise exhaust connections. It fits Subaru Impreza WRX STI models from 2004 to 2021 plus Nissan 350Z 370Z and GT-R with compatible HKS exhaust systems. The gasket delivers a reliable seal to maintain exhaust flow and prevent power-robbing leaks under high-performance conditions.
Key Features
- Exact Dimensions: 60.8mm ID x 68.8mm OD matches HKS 60A pipe flanges for direct bolt-on fit without gaps.
- Stainless Steel Build: Resists corrosion heat up to 1000°F and withstands turbocharged exhaust pressures.
- Leak-Proof Seal: Compresses evenly to lock out gases ensuring consistent backpressure and horsepower delivery.
- Direct OEM Replacement: Engineered as factory-spec part for HKS Hi-Power and Silent mufflers.
- Lightweight Profile: Weighs only 0.1 lbs to avoid adding unnecessary mass to exhaust setup.
Product Notes
- Confirm exhaust pipe OD matches 60.8mm before ordering.
- Pair with HKS exhaust studs and nuts for best results.
- Store in dry area to preserve sealing surface.
Installation Notes
- Professional installation recommended.
- Clean flange surfaces with wire brush and degreaser prior to assembly.
- Torque bolts to 20-25 Nm using anti-seize on threads.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2004-2021 | Subaru | Impreza | WRX STI |
| 2003-2009 | Nissan | 350Z | All |
| 2009-2020 | Nissan | 370Z | All |
| 2009-2023 | Nissan | GT-R | All |
| 2004-2009 | Subaru | Legacy | GT Spec B 2.5 |
Why Choose HKS?
- Proven in JDM racing since 1973 with real-world track data.
- Manufactured in Japan to strict tolerances for daily drivers and builds.
- Backed by global tuner network for proven exhaust reliability.
Frequently Asked Questions
- Q: Will this gasket fit my HKS exhaust on Subaru STI?
A: Yes it fits all 2004-2021 STI models with HKS 60A muffler flange including Hi-Power Spec L and Legal series. - Q: What material is the gasket made from?
A: High-grade stainless steel designed for extreme heat and vibration resistance in performance applications. - Q: Is special hardware needed for install?
A: Uses standard M8 studs and nuts compatible with HKS exhaust kits no custom parts required.
Shipping & Handling
- Method: USPS First Class or UPS Ground
- Availability: In stock – ships same or next business day
- Packaging: Protective envelope 4 x 4 x 1 inches
- Weight: 0.1 lbs
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