K2 Industries
90-91 Acura Integra RS LS GS Header Stainless Steel
90-91 Acura Integra RS LS GS Header Stainless Steel
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90-91 Acura Integra RS LS GS Header — Stainless Steel
Bolt-on stainless steel header designed to improve exhaust flow on your B-series engine. Mandrel-bent tubing resists kinking and corrosion. Direct bolt-to-manifold design keeps installation straightforward for anyone with basic hand tools.
Key Features
- Mandrel-bent tubing — maintains diameter through bends for consistent flow and durability
- Stainless steel material — resists rust and handles heat cycling without degradation
- Bolt-on fitment — connects at factory manifold points with no welding or modification needed
Specs
- Material: Stainless Steel
- Configuration: Header assembly, bolt-on design
- Condition: New
Whats Included
- Header assembly
Frequently Asked Questions
Do I need new gaskets or hardware to install this?
You'll want fresh header gaskets — reusing old ones risks leaks. Check your engine bay for existing fastener condition; most installs reuse factory bolts, but picking up a new gasket set before you start is the smart move.
Can I run this header without a tune or custom exhaust?
Yes. This header bolts in and works with your stock exhaust system. You'll see airflow improvement right away, but pairing it with a catback exhaust and ECU tune will maximize the gains.
Will I need to remove anything else to access the manifold bolts?
Depends on your engine bay layout — some tight spots may require moving hoses or brackets temporarily. Do a test-fit and have a camera or phone handy to see your work angle. No permanent modifications needed.
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