EXTREME MUFFLERS RETURNS AS USAC WEST COAST SPRINT CAR CONTINGENCY SPONSOR By Lance Jennings JANUARY 31, 2019… The USAC West Coast Sprint Car Series welcome the return of Extreme Mufflers as a Contingency Sponsor for the 2019 season. The Simi Valley, California based company is dedicated to providing the auto racing industry with the highest performing sound control systems available without sacrificing horsepower. To be eligible for the award, racers must display the company's sticker on their cars. The stickers will be available at the race track and must be visible. Stickers placed on the inside of sail panels, armguards, and other bodywork are not eligible. For more information on Extreme Mufflers, their products, and their distributor network, visit www.extrememufflers.com. If you or your company would like to join the USAC West Coast Sprint Car Series for the upcoming season, contact Lance Jennings at lwjennings@earthlink.net.