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USD 532.9
Part #: MAG18942

Magnaflow 18942 4" Aluminized Pro Series Dual Filter-Back Exhaust System

2007.5-2019 GM 6.6L Duramax (All Crew & Ext. Cabs)
Part #: MAG18942
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Change the look and sound of your 2014-2019 GM 6.6L Duramax without busting the bank by installing the Magnaflow 18942 4" Aluminized Pro Series Dual Filter-Back Exhaust System.  This exhaust system features 4” aluminized steel that is mandrel bent for maximum flow and includes dual 304 stainless steel tips that polished to a brilliant shine. The exhaust tips are welded to the tailpipes for peace of mind and  exit behind the rear tire on the passenger side of the truck for an smooth appearance. 

  • Made In The USA
  • 4" Mandrel Bent Tubing 
  • Aluminized Steel Construction
  • 304 Stainless Steel Intercooled Tips 
  • 1 Year Limited Warranty  


  • MFG. Number 18942
  • Manufacturer Name MagnaFlow
  • Shipping Weight 35.00 lb.
  • Shipping Length 57.13 in.
  • Shipping Width 12.38 in.
  • Shipping Height 15.5 in.
  • Fuel Type Diesel
  • Diameter 4"
  • Exhaust Exit Dual
  • Exhaust Type Filter-Back
  • Material Aluminized Steel
  • UPC 888563069531
  • Warranty Yes
  • Warranty Info 1 Year Limited
  • Prop 65 WARNING: Cancer & Reproductive Harm -


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