Manufactured and marketed by Tenneco Inc. (NYSE: TEN), DynoMax® Performance Exhaust is a leading brand of dyno-proven exhaust products for muscle cars, pass cars, diesel and gas trucks, Jeeps and sport utility vehicles. DynoMax® products – engineered for “Pure Unadulterated Power” –¬ include complete cat-back and axle-back performance exhaust system s; performance mufflers and the industry exclusive VT valve technology muffler; and a large assortment of accessories and related exhaust products. Each DynoMax® product features the benefits of worldwide global engineering resources. The DynoMax® brand is backed by an aggressive marketing program, including a national events program; easy-to-use website and digital and printed catalog; in-depth technical and installation information and tech line; and advertising program.