mXa 300101 2 Step Plug N Play Harness for 06-23 5.7/6.1/6.4L

Product Code: 300101
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High Horse Performance is Veteran Owned & Operated

This custom mXa 2 Step PnP harness is designed to work with the Stage 6 Motorsports 2-step control box box. It is designed to plug into the coil packs, factory wiring harness, and the 2-step control box. The harness eliminates the need to splice into the factory ignition coil wiring. It locates the 2 step on the drivers side of the car near the master cylinder.

This Mass Acceleration Motorsports Harness combines with the Stage 6 2-Step

Gen 3 Hemi Vehicles with dual plug coilpacks in combination with Stage 6 2-Step

See 300102 for Hellcat application

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  • 5
    Stage 6 hellcat harness

    Posted by Bob Horsfield on Apr 17th 2021

    Harness worked great and would highly recommend if you are installing a two step on a Hemi. The only problem is the two step killed my catalytic converts after two test try’s. For that reason I have removed it from the car. Catalytic converts and a two step Is very bad idea. If you want to do a cat delete I’m sure you would be fine but I chose not to go that route.