BLACK CLOUD DIESEL PERFORMANCE located in Amherst Junction, Wisconsin, is a quality company committed to providing excellent customer service, while offering you the highest quality Diesel Performance Parts and Upgrades for better Fuel Economy. We carry aftermarket exhaust systems: Grand Rock Stacks & Powerflow Exhaust Systems, MBRP, MagnaFlow; Afe Intakes, Turbo Air Guides, Aeroturbine Performance Mufflers. We offer products from gauges to TS Performance 6 Position Flip Chips, Edge tuners, as well as clutch upgrades from South Bend Clutch that will add power and fuel economy to your ride. Our selection of performance diesel truck parts will put more power to the road while cruising in your Ford Powerstroke, GM Duramax or Dodge Cummins diesel. Try our RevX Products & feel the difference!