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USD 315.88
Part #: MAG18931

Magnaflow 18931 4" Cat-Back Aluminized Pro Exhaust

2001-2007 GM 6.6L Duramax (ALL CREW & EXT. CABS)
Part #: MAG18931
$ $315.88
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The Magnaflow 18931 4" Cat-Back Aluminized Pro Exhaust will add some style and a moderate sound to your 2001-2007 GM 6.6L Duramax. The Aluminized Pro is a bolt-on exhaust featuring mandrel bent 4" pipe, an aluminized muffler, and is backed by a 1 year warranty. No tip is included to allow for some customization. 

Features & Specifications:
  • Material: 4" Aluminized Steel 
  • Mandrel Bent Construction 
  • System Type: Cat-Back
  • Tip Quantity: No Tip Included 
  • Exit Position: Single Passenger Side Exit 
  • 1-Year Warranty 
Application Note: All Crew & Extended Cab fitment applies to GM 2500HD/3500HD Pickups. This system is not designed for use on Cab & Chassis models.


  • MFG. Number 18931
  • Manufacturer Name MagnaFlow
  • Shipping Weight 60.00 lb.
  • Shipping Length 57 in.
  • Shipping Width 12 in.
  • Shipping Height 16 in.
  • Fuel Type Diesel
  • Diameter 4"
  • Exhaust Exit Single
  • Exhaust Type Cat-Back
  • Material Aluminized Steel
  • Muffler Type Muffler
  • Warranty Yes
  • Warranty Info 1 Year Limited
  • Prop 65 WARNING: Cancer & Reproductive Harm -


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