DC Sports k20A3 Stainless Steel 4-2-1 Header
Part Number: AHS6515

DC Sports k20A3 Stainless Steel 4-2-1 Header
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    Countless hours of research and development went into the creation of this header. The change in the design of the factory exhaust system presented a new set of challenges for DC Sports engineers.

    With the stock catalytic converter welded to the secondary, the R and D Department had to find a way to create power out of the primary only. Computer aided design and extensive dyno testing led to our successful collector design. The result of our labor is a header that works with the factory secondary to produce power throughout the RPM range.


    • 9.4 HP Gain at 6700 RPM
    • 7.2 ft/lb Torque Gain at 6800 RPM
    • Available in ceramic coated mild steel and T-304 stainless steel
    • Mandrel bent tubing
    • CNC Machined Flanges
    • CARB Exempt
    • 2 Year Warranty


    Brand: DC Sports
    Part Number: AHS6515

    Vehicle Fitment

    Acura RSX

    Honda Civic

    1 reviews for DC Sports k20A3 Stainless Steel 4-2-1 Header

    5 out of 55 out of 55 out of 55 out of 55 out of 5

    5 out of 5.0

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    5 out of 55 out of 55 out of 55 out of 55 out of 5

    7/16/2011 by Anthony Wilkerson

    Great look, sound, with tiny but good gains!

    For the base it is mostly just a looks item, however, performance wise it does get you those decent gains especially combined with CAI and a better exhaust. If not for speed just the elimination of more back pressure helps with gas mileage! Do not get if you use a SRI the heat soak will increase with this, and please don't wrap it if you value the warranty.