Changing over from stock to performance exhaust parts can increase fuel economy and produce a substantial amount of power. If you're planning to replace your exhaust system in the near future, it may be time to think more about replacing with a performance exhaust system. The up front cost may be a little more, but you will certainly reap the benefits that come with the price. Some performance exhaust manufacturers warranty their exhaust systems well above what you would get with a stock exhaust system. Performance exhaust packages enable your engine to run more efficiently. Performance exhaust parts installed on your vehicle also increase the overall resale value of your car or truck. Make the investment of installing performance exhaust parts now and you will continue to enjoy the better engine performance, fuel economy and higher resale potential for many years ahead.