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C3 Corvette Big Block Headers

  • ARH C3 Corvette header systems are now available for conventional Big Block applications. Maintaining our tradition for outstanding 100% US made quality, our C3 Big Block headers are available with  1-7/8" and 2" primaries to accommodate your desired application.

    Also Our C3 Big Block headers are offered with Round , Square and D-Port Flanges to meet your vehicle's needs.

    If you've swapped your C3's stock engine in favor of an LS engine, we've also got you covered with our C3 LS Swap Headers.

    This system fits:C3 Covette 1968-1972

    ALL American Racing Headers Exhaust Systems are for OFF-ROAD use only.

  • Product features on this system includes:

    1. 100% Made in the USA - Never Outsourced
    2. Made entirely of 304 stainless steel
    3. 3/8" thick laser-cut flanges for a warp-free seal
    4. Hand-ported TIG welded inlets
    5. Optimized primary tube routing for superior fit and performance
    6. Merge collectors with scavenger spikes
    7. Catted systems feature 200 cell metallic substrate catalytic converters for extreme durability