Custom Car World, the premier online retailer of performance automotive tuners and chips. What is Custom Car World? Power. We are talking about Popeye Spinach, raw muscle, heart pumping power. We have a dose of the adrenaline pumping gear that you crave for your vehicle. Whether you are looking to tweak the shift points, pump up the torque, jack the horsepower through the roof, or anything else, we have the toys you need.