No damage to your injectors, overheating or transmission slippage. Easy to install, these babies plug into your engine hassle-free, so you're ready to hit the road pronto. Our Yukon PCMs are made to your ride's exact year, make and model, and are programmed to tell your engine when to unleash the horses and when to dampen them down for city driving, idling in traffic or passing an inspection. You get more miles per gallon, so you can stop spending your paycheck at the gas pump. Free shipping, our lowest price guarantee and long life warranties make this deal as sweet as it gets!