K2 Industries
1997-2005 Subaru Impreza 2.5L Exhaust Header Gasket - Aluminum
1997-2005 Subaru Impreza 2.5L Exhaust Header Gasket - Aluminum
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1997–2005 Subaru Impreza 2.5L Exhaust Header Gasket — Aluminum
Aluminum construction seals your header-to-manifold joint without blowby or exhaust leaks. A direct replacement for worn OEM gaskets, this part handles thermal cycling and vibration without degradation. Clean installation surface and swap at your next header service.
Key Features
- Aluminum core - Resists warping under high exhaust temps and maintains a consistent seal over time.
- OEM-spec replacement - Matches factory gasket thickness and port geometry for zero fitment surprises.
- Single gasket unit - One piece covers the header-to-manifold interface on your 2.5L.
Specs
- Material: Aluminum
- Configuration: Header-to-manifold gasket
- Condition: New
- Piece Count: 1
Whats Included
- Exhaust header gasket (1x)
Frequently Asked Questions
Do I need to clean the header and manifold surfaces before installing this?
Yes. Scrape away old gasket material and carbon buildup with a gasket scraper or soft wire brush, then wipe clean with a lint-free cloth. Any residue will prevent a proper seal and cause exhaust leaks.
Should I use sealant or adhesive with this gasket?
Most installs work dry — clamp pressure alone seals the aluminum gasket. If you have a history of header leaks or extreme vibration, a thin bead of high-temp gasket sealer on the gasket face before installation can add insurance, but it's not required.
What torque spec should I use when bolting the header back on?
Refer to your vehicle's service manual for the correct fastener torque — specifications vary by bolt size and material. Uneven tightening causes gasket failure, so use a criss-cross pattern and work in stages.
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