![Dynomax® Performance Exhaust: Select Your Vehicle](https://www.dynomax.com/skin/frontend/default/dynomax/images/select_vehicle_tab.png)
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Single - 4" Cat-Back System - Ultra Flo™ Welded Muffler
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2007 Chevrolet Silverado 2500 HD Classic 6.0 Liter V8 - 143.5" Wheelbase; 2007 Chevrolet Silverado 2500 HD Classic 8.1 Liter V8 - 143.5" Wheelbase; 2006-2001 Chevrolet Silverado 2500 HD 6.0 Liter V8 - 143.5" Wheelbase; 2006-2001 Chevrolet Silverado 2500 HD 8.1 Liter V8 - 143.5" Wheelbase; 2007 GMC Sierra 2500 HD Classic 6.0 Liter V8 - 143.5" Wheelbase; 2007 GMC Sierra 2500 HD Classic 8.1 Liter V8 - 143.5" Wheelbase; 2006-2001 GMC Sierra 2500 HD 6.0 Liter V8 - 143.5" Wheelbase; 2006-2001 GMC Sierra 2500 HD 8.1 Liter V8 - 143.5" Wheelbase
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Single - 4" Cat-Back System - Ultra Flo™ Welded Muffler
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2007 Chevrolet Silverado 2500 HD Classic 6.0 Liter V8 - 153.0" Wheelbase; 2007 Chevrolet Silverado 2500 HD Classic 8.1 Liter V8 - 153.0" Wheelbase; 2006-2001 Chevrolet Silverado 2500 HD 6.0 Liter V8 - 153.0" Wheelbase; 2006-2001 Chevrolet Silverado 2500 HD 8.1 Liter V8 - 153.0" Wheelbase; 2007 GMC Sierra 2500 HD Classic 6.0 Liter V8 - 153.0" Wheelbase; 2007 GMC Sierra 2500 HD Classic 8.1 Liter V8 - 153.0" Wheelbase; 2006-2001 GMC Sierra 2500 HD 6.0 Liter V8 - 153.0" Wheelbase; 2006-2001 GMC Sierra 2500 HD 8.1 Liter V8 - 153.0" Wheelbase