Big Gun Exhaust Systems was started in 1997 by 3-time 4-stroke AMA National Champion Mike Young Jr. Big Gun Exhaust Systems is in the business of building 4-stroke off-road motorcycle and ATV performance exhaust systems that meet and exceed all state off-road sound needs and requirements. Big Gun Exhaust Systems also produce top of the line performance enhancements such as our Over Rev CDI boxes and our TFI Powerbox fuel programmer. 

Big Gun Exhaust Systems has a passion for 4-stroke performance but we also have a passion for our great customers! We thank everyone for their support and strive to constantly stay at the top of our game and supply you with the best products, service, satisfaction in the industry period. Thank you for your support and ride safely!

Best Regards,

Kurtis Miller – Race Support Director

(800) 870-4461

Kmiller@biggunexhaust.com

Big Gun Exhaust Systems

9330 7th St. Suite A

Rancho Cucamonga, CA 91730