Pull up to the line and wait for the lights to turn green. If you are serious about laying down a think patch of rubber, then you will want to upgrade your XLR performance parts. There is no better way to smoke your competition than with the XLR performance nitrous kit. A new XLR NOS kit is going to make your car up to 150 more horses. You will really get off the line well with a new XLR performance part like a nitrous system. Another great performance part for your XLR is the power programmer. With an XLR power programmer, you can make sure that your car is performing the way that you want it to. These plug directly into your dashboard and will allow you to remap the engine in a few seconds. Your XLR performance programmer will make your car even better.