DynoMax Exhaust Systems
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About DynoMax Exhaust Systems
DynoMax is an affiliate of Tenneco, a world-wide corporation that builds hundreds of different automotive parts, both for original equipment manufacturers (also known as OEM’s, auto manufacturers, Ford, Toyota, VW, etc.) and for the after market.
Tenneco brands include DynoMax, Rancho, Monroe, and Thrush.
Guarantee: DynoMax offers a pretty nice guarantee on most of their mufflers. If for some reason you don’t like their stainless steel cat-back system, Ultra Flo SS polished or Ultra Flo welded mufflers, or Super Turbo muffler, you can return them within 90 days for a full refund PLUS as much as $50 in labor costs per muffler.
Warranty: DynoMax also offers a lifetime warranty on almost all of their products.
Tenneco, which is some sort of shorthand for “Tennesse Gas Transmission Company,” was founded in 1940 and originally specialized in running a gas pipeline from Texas to W. Virginia. Since that time, they have expanded into a multi-national company that sells a variety of parts. DynoMax mufflers are built at the Marshall, Michigan Tenneco plant.