DC Sports Stainless Steel 4-2-1 Header

DC Sports Stainless Steel 4-2-1 Header
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    4 out of 54 out of 54 out of 54 out of 54 out of 5 4 reviews



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


    • Part Number: AHS6514
    • Manufacturer: DC Sports

    Vehicle Fitment

    Acura RSX
    2002 Acura RSX Type-S
    2003 Acura RSX Type-S
    2004 Acura RSX Type-S
    2005 Acura RSX Type-S
    2006 Acura RSX Type-S

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

    4 out of 54 out of 54 out of 54 out of 54 out of 5

    4.0 out of 5.0

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

    11/15/2013 by Matthew Lee

    So far so good

    Got it for a few months now, so far so good, just need to get yourself new gaskets as it doesn't come with any

    1 out of 51 out of 51 out of 51 out of 51 out of 5

    10/5/2012 by Dan

    Worst headers ever

    I bought one, a while back and i had an exhaust leak between the head and header so i took them off and straight edge it and find that the headers were poorly machined. Since I'm a tech in training I machined it the best I could.... considering its stainless steel. I put it back on and still exhaust leak, i can literally see the smoke seeping through.....

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

    7/13/2011 by Patrick

    Great Product!

    Overall very happy with this product! Sounds a bit deeper but not much. Definitely feel a greater initial pull but other than that it just looks good. A few recommendations I have are purchase new spring bolts that connect at the bottom of the header. The second recommendation I have is also purchase a new donut gasket (part # - 18229-S6M-A51) as mine was completely mangled and I had to drive around with an exhaust leak for 2 days which made my car sound like a motorcycle. But overall great product and pretty easy DIY project (minus the rusted out spring bolts.)

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

    3/16/2010 by Ryan


    These headers are awesome. They are nice because they give you better exhaust flow out and don't eliminate the cat. They are good for people that don't want to have to take off their headers and put the exhaust manifold back on everytime they want to smog their car. I put these on yesterday and I noticed a big difference in power. I also have a Greddy TI-C exhaust and an AEM short ram intake. So when I put the headers on it made a big difference in the sound as well. The exhaust sounds deeper and throaty. I absolutly love this product and recommend them to anyone.