Pro Fab ATV says it has 20 years of experience building dependable race motors and can customize engines for a rider’s specific needs, from motocross to drag racing. It can add performance to any quad, UTV or dirt bike. Pro Fab ATV also has a ever-expanding list of stock replacement and aftermarket...

The man behind Wiley Mods is Paul Marra, who has 45 years of engine building experience and dozens more in the youth ATV segment. He specializes in Cobra youth quads. In 2010, he introduced a new RMC 90 youth engine and tested on a DYNOmite ATV/Motorcycle Dynamometer. Two of his national racers then...

Available for the Yamaha Grizzly 700 (2007-present) and Grizzly 550 (2009-present), the EHS Racing Yamaha Grizzly 700 Custom Air Box Cover is designed to replace a no-lid application. EHS Racing says the cover, complete with an Outerwears Pre-filter is like running a no-lid setup. EHS Racing says modifications...

Jody Bateman at JB Racing offers the Pro Advance Series A-Arms for the championship-winning Suzuki LT-R450. Available in a wide assortment of colors, the JB A-arms require aftermarket shocks. You must use aftermarket shocks with these A-arms. (Courtesy JB ATV Racing) JB Racing Pro Advance Series A-arm...

Trinity Racing announced a new 480cc big-bore kit for the Yamaha YFZ450R. “Set your YFZ450R  light years ahead of the crowd,” says Trinity Racing. The kit includes a brand new cylinder (not a reworked stock cylinder) that is specifically designed for this size bore, which improves reliability,...

Yoshimura R&D has now made its RS-2D full system and RS-8 slip-on exhausts available for 2008-2010 Kawasaki Teryx machines. These pipes will take the Teryx to a whole new level of performance, and give you that signature Yoshimura style and sound that you’ve always wanted. The RS-2D full system...

Trask Performance, the company that brought real world turbo charging to the Harley-Davidson market, has just unleashed a very serious turbocharger kit for the Can-Am Renegade and Outlander ATVs. Based around a ceramic-coated Garrett GT15 Super Modified turbo, the kit is a straight forward bolt-on install....

Reimer Mini ATV Racing says its complete bolt-on four-stroke exhaust hit for the Can-Am DS70X and DS90X youth quads increases power by 100 percent. The kit includes a header pipe and silencer. The most notable gains are the bottom-end power and the top-end speed, according to Reimer. The sound is deeper...

Yoshimura Press Release — Chino, Calif. – July 20, 2010 – The all-new Polaris RZR 4 is the world’s first four-seater sport side-by-side, and Yoshimura R&D has expanded their line of RS-8 exhausts to include this exceptional new vehicle. This new pipe will really wake-up the RZR 4’s...

Developed With Top Pro ATV Riders; Dramatically Improves Stability and Handling HOLZ RACING PRESS RELEASE After countless victories and podium results in World Off‐Road Championship Series (WORCS) ATV competitions and punctuated by the first Can-Am DS450 Pro win in AMA ATV Motocross racing a little...