High Quality Case & Wire Harness: aFe SCORCHER GT modules uses high quality aluminum extrusion black powder-coated enclosure casing and factory style connectors which requires no modification to your factory harness. These factory style connectors, plugs directly into the stock wiring harness connectors and sensors. High Precision and Quality: SCORCHER GT modules are 100% tested for proper protection. These modules work amazingly on stock vehicles and are optimized for maximum performance with use of aFe POWER performance products. Note: aFe POWER does not recommend to use with any other tuners or modules. aFe POWER recommends to use the Scorcher GT module in Sport or Sport+ settings during towing. Emissions Disclaimer: This product is not currently CARB exempt and is not available for purchase in California or for use on any vehicle registered with the California Department of Motor Vehicles.Learn More