MONROE, Mi., April 30, 2010 – DynoMax Performance Exhaust – a leader in the performance exhaust aftermarket – has announced the release of a series of DPF-back performance exhaust systems for late-model diesel trucks.

Featuring 6-in. stainless steel cooling tips and stainless steel tubing, the new DynoMax DPF-back systems are available for 2007-10 Chevrolet 2500HD/3500 6.6L (P/N 39487); 2007-10 Dodge Ram 2500/3500 6.7L (P/N 39491); and 2008-10 Ford F- 250/F-350 Super Duty 6.4L (P/N 39492) diesel trucks. The new systems are available at performance retailers nationwide.

The DynoMax DPF-back systems include 5-in. all-mandrel-bent, 409-grade stainless steel tubing to protect against corrosion and improve exhaust flow, and a straight-through, unrestricted Ultra Flo™ muffler that provides an aggressive sound. Every DPF-back system also features a logo-embossed, 6-in. stainless steel cooling tip.

Installing easily with handy instruction guide, the new systems include all of the necessary hardware and hangers to complete the job.

The new DPF-back stainless systems are covered by a limited lifetime warranty and exclusive 90-day Performance and Sound Guarantee, an offer that lets enthusiasts try the system for 90 days. Consumers can return the product within 90 days for a full refund of its purchase price. Additional restrictions apply and can be found at www.DynoMax.com.

DynoMax, an innovator in performance cat-back exhaust systems and mufflers, is manufactured and marketed by Tenneco Inc. (NYSE: TEN). DynoMax is one of North America’s leading suppliers of dyno-proven exhaust technologies for muscle cars, diesel and gas trucks and sport utility vehicles, and sport compact/European cars.

For more information about DynoMax products, 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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