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Part #: MAG17960

Magnaflow Pro Series Downpipe-Back 4" Exhaust System 17960

2006-2007 GM 6.6L Duramax EC/SB
Part #: MAG17960
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Pro Series Exhaust System
The PRO series has a lifetime backed stainless steel construction with a satin finish muffler and no tip. This allows for some customization with an optional tip of our choice and at the best value.

Application: V8 6.6L (DIESEL), Silverado/Sierra 2500HD/3500; Extended Cab/Short Bed (78in. Bed) 4.0in. Turbo-Back; 7 x 14in. Muffler; SINGLE PASSENGER SIDE REAR EXIT

Tubing O.D. Size: 4"
System Type: Downpipe-Back


  • MFG. Number17960
  • Manufacturer NameMagnaFlow
  • Shipping Weight48.00 lb.
  • Shipping Length57 in.
  • Shipping Width12 in.
  • Shipping Height16 in.
  • Diameter4"
  • Exhaust ExitSingle
  • Exhaust TypeDownpipe-Back
  • MaterialT409 Stainless Steel


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Emissions Notice

This product is not legal for sale or street use in California. Certain aftermarket products are subject to governmental emission standards regulated by the California Air Resources Board. In order for these products to be legal on a specific vehicle in California, the part number must receive a CARB Executive Order (EO) number. This number makes the part legal for use only on specific years, makes and models of vehicles. A decal with CARB EO number for these parts must be displayed in the engine bay to satisfy smog inspection requirements.