XTUNE USA Performance Automotive is dedicated to quality, service, and the best products for your car. X-Tune currently specialize in the cat back exhaust, cold air intake, downpipe, header, and spark plug wires. CoolCarPartsOnline has been the leader in providing our customers with the latest and greatest parts from X-Tune as well as other performance suppliers.

We have made an ongoing commitment to provide the best service in the industry with continual enhancement of our web site as well as developing a knowledgeable sales staff to assist you in all of your needs. Feel free to drop us a note or call us with any comments or concerns you have, as we will continually try to better our quality of service.

Popular Xtune Parts

Xtune parts are available for most import cars such as Acura, Honda, Hyundai, Mitsubishi, Nissan, Toyota and VW and domestic cars such as Chevy, Dodge, Ford and Pontiac. Some of the most popular application are: Acura Integra Headers, Honda Civic Header, WRX Cat-Back, tC Cat-Back and more. 

CoolCarPartsOnline carries Xtune complete line of products. We buy factory direct which allows us to offer the cheapest price on Cat-back Exhaust Systems, Racing Headers or Cold Air Intakes made by XTune or other manufacturers. Being a small company that has minimal overhead allow us to offer Xtune Cat-Backs s at cheap prices, while other big companies spend their money on marketing campaigns and paying wages we do everything in house.