• Billet Merge Collectors

    These ready-to-weld parts cut hours or days off your exhaust manifold build time, and gives you a much better exhaust manifold!

    These are the best CNC merge collectors available on the market. CNC machined from a solid billet for maximum durability and exact dimensions.

    All our collectors are made from 304 stainless steel unless otherwise specified.


  • Racing Engines

    Worlds first OEM Full Billet circuit Racing Engines. Available as "long blocks", or complete engine packages with our XEMS ecu.
    Multiple world championships have been won with our Elmer Racing full billet race engines!
    Don't see the engine you want? Contact us and we'll design and manufacture a custom high performance / lightweight / compact engine best suited to your needs!

  • Main caps

    Something for the high power BMW racers and engine builders. Made from high-strength tool steel.

  • Plenums

    Billet plenums for the HD v-rod only so far

  • V-Bands

    V-Bands for creating your own custom exhaust

  • Reduction cones

    Useful for reducing the size of the wastegate outlets on our collectors

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