Back in the musclecar days, fiddling with carburetor settings and distributor advance curves could yield huge horsepower gains. Today though, the fuel injection, ignition, and hundreds of other functions that used to be adjusted with a screwdriver are all controlled by computers like superchips. What's a tweaker to do? Let the computer do the work with a high performance chip! Auto performance chips and truck performance chips fit all the tricks of the old-time tuners onto a single computer chip, remapping your engine's systems to give you more power and more torque. High-quality auto performance chips and truck performance chips, like those from Jet performance chips, optimize the fuel/air ratio and spark map in your engine for the enthusiast driver. You still get great fuel mileage and clean emissions from a performance chip, but the engine operates at its full potential. You're not an average driver, so why use a stock engine chip designed for an average driver? Jet performance chips are emissions legal, fully-warranted, and will not affect the durability of your engine. Do you have a turbo engine, supercharged engine, or diesel engine? A Jet performance chip will help you extract the most from your motor. In fact, most pressurized engines and diesels are made with so much reserve capacity that a turbo motor chip or diesel performance chip can make a huge difference. And if you're planning on adding even more aftermarket goodies to your engine, the Jet performance chip will produce even more power and torque. So whether you need a Honda performance chip or a Powerstroke diesel performance chip, Jet performance chips has what you need. Extract the most out of your engine by installing one of our performance chips and see what you've been missing.