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DHD 300-327 3" Stainless Tube Emission Friendly LML Duramax Downpipe 2011-15

300-327 - 8E
Best Value Full Featured Downpipe 2011-2015.5 LML
Not Available
Pricing: $149.99


DHD Duramax Turbocharger Performance Downpipes

Get rid of that ugly restrictive downpipe and replace it with our 3" Stainless downpipe w/heat wrapping which creates better flow making "MO POWA BABY." Our downpipe provides a smooth and consistent 3" bore throughout the entire length of the pipe which equates to better CFM flow over the stock down-pipe. This is a complete stock replacement comes with the three bungs that are on the factory down pipe. 2011-2015


  • 304 Stainless Tube
  • Tig Welded, Jig Built Construction
  • Zinc Coated Flanges
  • 3 Factory Location Emission Sensor Bungs
  • Fiber Glass Heat Wrap
  • Down Pipe Support Tab


  • 2011-2015 Duramax 6.6L
  • LML Flatform with V-Band Exhaust Flange

Note: 2015.5-2016 LML Trucks can be converted to this V-band style downpipe however the exhaust will have to be modified accordingly.




Shipping Information

  • Item Requires Shipping
  • 15.0 lbs.
  • W10.0000” x H6.0000” x L17.0000”

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