Customer service: 866-825-5689 | Technical service: 888-839-2700
To improve performance, durability and the driving experience, all without compromising emissions requirements.
Performance and safety products for trucks and RVs
"We are a family-owned manufacturer and retailer of exceptionally engineered performance parts for gas, diesel, and hybrid cars, trucks, and RVs. Our equipment delivers unparalleled power and fuel efficiency at competitive prices. While our parts can be easily installed at home, we also offer professional installation at our Azusa, California campus, or via hundreds of authorized dealers. We also design, engineer and manufacture advanced engine and powertrain solutions for consumer and military vehicles and watercraft."