GDP Products

These small switches offer big adjustability. By simply turning the dial left or right until it clicks, you are able to command your truck to give you more or less HP & TQ. This obviously only works if you have already flashed the ECM with SOTF tuning software. Depending on your vehicle, our swi..

Our splitter was made to allow stacking product that utilizes your vehicles factory OBDII port. Tuners, power steps, digital gauges, etc, all require connection to your OBDII port, and obviously your vehicle only came with one of those. Well now with our splitter you can have multiple aftermarket pr..

This splitter was made to allow stacking product that utilizes your vehicles factory OBDII port. Tuners, power steps, digital gauges, etc, all require connection to your OBDII port, and obviously your vehicle only came with one of those. Well now with our splitter you can have multiple aftermarket p..