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2015 STI QuadX & UTV Racing Begins!

For the 2015 race season, STI Tire & Wheel announces its title sponsorship of the STI QuadX & UTV Racing Series, as well as the expansion of the series allowing UTV racing competition.

The five-race series kicks off January 25 at the famous Glen Helen Raceway in Southern California. A combined $3,000 prize purse is allocated for ATV Pro and UTV Pro competitors, and additional prizes are available for a range of racing categories. Amateur classes included several youth divisions, plus racing classes for Women, Seniors, modified machines, production machines, two-strokes and more.

Quad-X-web-feature2015 STI QuadX & UTV Racing Series schedule
(All races will be held at Glen Helen Raceway)
Opening Round Sunday, Jan. 25
Round 2 Saturday, Mar. 21
Round 3 Saturday, May 2
Round 4 Saturday, June 27
Round 5 Saturday, July 25

The STI QuadX & UTV Racing Series is presented by Yamaha. Media sponsors include Dirt Wheels and ATV/UTV Action magazines. Other sponsors include H&M Motorsports, GYTR, DRD, Vertex, MTA Distributing, Big Kid Racing, AC Racing, IMS, Cometic Gasket, Cylinder Works, Hot Rods, Hinson Racing, Scott, Hot Cams, South Point Hotel, CV4, Hot Cams, Millenium Technologies, FMF, Works Connection, and Pivot Works. Check www.quadxseries.com and www.glenhelen.com for more information.

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The new STI Outback Max for Better Mud Performance

June 4, 2014 • Homepage Left • Views: 6188

Unveiled at the High Lifter Mud Nationals, the new STI Outback Max tire line is a powerful expansion of the Outback tire lineup, delivering measurable performance gains over existing mud tires. The new Outback Max tires are available in three sizes: 30/10-14; 31/10-15; 32/10-17. In all three