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

MONROE, MI., Sept. 15, 2009 – DynoMax® Performance Exhaust has released a brand-new, all-stainless steel system for the popular 2007-09 Toyota Tundra platform. Posting an improvement of 37 horsepower and 44-ft. lbs. of torque, the new system provides exceptional performance improvements, improved durability and extended life and the exclusive DynoMax application-specific acoustical characteristics preferred by Tundra owners.

DynoMax, a leading supplier of dyno-proven exhaust technologies for muscle cars, diesel and gas trucks, sport utility vehicles and sport compact/European cars, is manufactured and marketed by Tenneco Inc. (NYSE: TEN).

Available now through performance retailers nationwide, the new dual system (p/n 39471) features high-quality, 409-grade stainless steel 2.5-in. intermediate and tail pipes, providing protection against corrosion and permanent discoloration; a pair of DynoMax Ultra Flo™ Welded performance mufflers; and a set of polished, stainless steel 3-in. tips.

The system – built for “Pure Unadulterated POWER” – is built completely in the United States and includes a limited lifetime warranty.

The DynoMax Tundra system includes a pair of Ultra Flo Welded stainless steel performance mufflers, a dyno-proven performance design that supports up to 2,000 SCFM and 2,000 horsepower. The mufflers are 100-percent welded for exceptional life and durability. The straight-through unrestricted design features exclusive Continuous Roving Fiberglass (CRF) technology that absorbs unwanted interior resonance and provides a rich, deep performance tone.

For more information about the DynoMax stainless steel 2007-09 Toyota Tundra system or any other DynoMax system, please visit www.DynoMax.com, contact your nearest DynoMax supplier or call 1-734-384-7806. For the name and location of your nearest DynoMax 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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