Premium Dual System Features Complete 409-Grade Stainless Steel Construction, Pair of Ultra Flo™ Welded Mufflers

MONROE, MI., July 23, 2009 – The new DynoMax 2005-09 Corvette C6 catback stainless steel exhaust system, featuring a pair of Ultra Flo™ SS polished mufflers and 409-grade stainless steel construction, posted an increase of eight horsepower and 11-ft. lbs. of torque in recent dyno testing.

DynoMax Performance Exhaust is one of North America’s leading suppliers of dyno-proven exhaust technologies for muscle cars, diesel and gas trucks, sport utility vehicles, and sport compact/European cars. The brand is manufactured and marketed by Tenneco Inc. (NYSE: TEN).

The new DynoMax 2005-09 Corvette C6 6.0L LS2/6.2L LS3 system (p/n 39462) features premium 2.5-in. high-quality, 409-grade stainless steel intermediate pipes and tailpipes, providing tough protection against corrosion and permanent discoloration.

The DynoMax cat-back system includes a pair of DynoMax® Ultra Flo™ SS polished performance mufflers that are constructed completely of stainless steel for increased durability and polished for show-stopping looks.

Centered around an unrestricted, straight-through design, the Ultra Flo SS muffler has been dyno proven to flow up to 2,000 SCFM, support up to 1,900 horsepower, while exclusive Continuous Roving Fiberglass (CRF) technology absorbs unwanted interior resonance. Built for “Pure Unadulterated POWER,” the new system was application engineered to provide maximum performance and highly specific acoustical characteristics built to the standards of a discerning Corvette owner. The system is manufactured entirely in the United States and backed by a limited lifetime warranty.

Each DynoMax Corvette C6 system is finished with a pair of 3-in. polished logoembossed stainless steel tips for each side of the vehicle.

The system does not fit Corvette Z06 models. To find more information about the 2005-09 Chevrolet Corvette C6 and other models, go to www.dynomax.com, contact your nearest DynoMax supplier or call 1-734- 384-7806. For the name and location of your nearest DynoMax performance exhaust retailer, check out the dealer locator at www.dynomax.com.

Tenneco is a $5.9 billion manufacturing company with headquarters in Lake Forest, Illinois and approximately 21,000 employees worldwide. Tenneco is one of the world’s largest designers, manufacturers and marketers of emission control and ride control products and systems for the automotive original equipment market and the aftermarket. Tenneco markets its products principally under the Monroe®, Walker®, Gillet™ and Clevite® Elastomer brand names.

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