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    Happy 4th of July! FLASH SALE!
    5% Off everything on the site.
    Wednesday July 3rd thru Friday July 5th.
    Use Coupon Code JULY424
    One coupon per order.
    Cannot be combined with other discounts.
     


    BUY a Wire-In Aftermarket ECU for your PRO Series Harness build order and SAVE $100 Instantly. $100 is automatically discounted off your harness total - no codes needed!

    Included ECUs are shown in the BUY ECU Option for qualifying PRO Series harnesses. Start by clicking on an ENGINE to the LEFT.