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4-2-1 Race Header for 2006-2009 Honda Civic Si, Coupe and Sedan (with High Flow Metal Core Catalytic Converter)
Part Number 2507



Description

Material: T304 Stainless Steel
Notes: - Produces power gains of up to 20HP vs. stock manifold.

- Combine with our StreetPower cat-back exhaust system (Part #1626 for Civic Si Coupe and Part #1622 for Civic Si Sedan) for even greater power gains.

- Features a huge 2 1/2" Outlet

- This header includes a High Flow Metal Core Catalytic Converter. This header is also available with a Cat-Delete option (part #2508).


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4-2-1 Race Header for 2006-2009 Honda Civic Si, Coupe & Sedan (Cat-Delete option)
Part Number 2508



Description

Material: T304 Stainless Steel
Notes: - Produces power gains of up to 20HP vs. stock manifold.

- Combine with our StreetPower cat-back exhaust system (Part #1626 for Civic Si Coupe and Part #1622 for Civic Si Sedan) for even greater power gains.

- Features a huge 2 1/2" Outlet

- This header deletes the stock catalytic converter. This header is also available with a High Flow Metal Core Catalytic Converter (Part #2507)


PM for Pricing
 
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