Ok just finished up the shift improver kit (Stage 2) and went to drive it out of the garage ran just fine, drove it around just fine and parked it in the driveway, went to back the car out of the driveway...no reverse? so i drove the car to a shop and i just wanna know what to look for what could have happened so i done get taken advantage of. thanks... and im not sure how the shift kit works as i only have the exaust done to the y pipei was in the process of driving it to monroe muffler to have the rest of the exaust finished...well please let me know whats goin on...lol the car is at the shop and should be put into the bay tomarrow so the sooner the response the better... thanks