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Flo~Pro 4" Downpipe Back | 2001-2007 Chevy/GMC Duramax LB7/LLY/LBZ 6.6L

  • Fits 2001-2007 6.6L, 2500/3500, LB7/LLY/LBZ
  • Fits EC-CC/SB-LB-Dually
  • Available in aluminized or stainless steel
  • With muffler without muffler
  • Utilizes OEM hangers
  • Includes all hardware required for installation
Pricing: $419.00

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Flo~Pro's 4" downpipe back single exhaust system for your 2001-2007 Chevy/GMC Duramax LB7, LLY, or LBZ 6.6L diesel is available in aluminized or stainless steel and with or without muffler.


  • Aluminized w/ Muffler: 801
  • Stainless w/ Muffler: SS801
  • Aluminized w/No Muffler: 801NM
  • Stainless w/No Muffler: SS801NM

Emissions Disclaimer: This product is not currently CARB exempt and is not available for purchase in California or for use on any vehicle registered with the California Department of Motor Vehicles.


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  • Item Requires Shipping
  • 60.0 lbs.
  • Free Shipping