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HSP Diesel Stainless Downpipe for 2004-2010 GM Duramax 6.6L (LLY/LBZ/LMM)

Was: $189.00
Sale: $179.55
Save: 5%
Save: $9.45



The HSP Stainless Steel Downpipe for 2004-2010 Duramax (LLY/LBZ/LMM) is constructed from 3" 304-Stainless Steel and built to last. Each downpipe is built in quality fictures to ensure proper fitment. Our fabrication allows extra clearance for aftermarket up-pipes.

Note: This product is not for sale in The State of California


  • Lower exhaust gas temperatures
  • Ceramic coating option for heat control
  • 304 Stainless steel CNC machined flanges
  • Mandrel bent 304 stainless steel tube for increased strength and flow
  • Improved exhaust tone


  • HSP Stainless Steel Downpipe

Compatible with:

  • LLY: 04.5-05 VIN Code 2
  • LBZ: 06-07 VIN Code 2 or D
  • LMM: 07.5-10 VIN Code 6


Shipping Information

  • Item Requires Shipping
  • 7.0 lbs.
  • W8.0000” x H8.0000” x L26.0000”

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