6.6 Duramax LB7 LLY Muffler Delete Test Pipe 03-06 GMC Chevrolet Diesel Turbo

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  • Regular price $139.95
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  • Expect improved sound, improved mpg, improved throttle response, more torque, more horsepower, and lower EGTs.
  • Easy to install with basic tools.
  • 29.50" inches long measured in a straight line
  • Engineered and Tested to Exceed Original Equipment Standards and Performance
  • Professional Installation is Highly Recommended (No Instruction Included).

Package Includes:

  • 3.5" Mandrel Bent Muffler Delete Pipe


  • 2001-2006 CHEVROLET SILVERADO 2500HD 3500HD 6.6 LB7 LLY  DURAMAX
  • 2001-2006 GMC SERRA 2500HD 3500HD 6.6 LB7 LLY DURAMAX
  • 2001-2006 GMC SIERRA 3500 6.6 LB7 LLY DURAMAX


  • Shipping Restrictions:  This part is NOT available to ship to the state of California.
  • Not for sale or use on any pollution controlled vehicle in the state of California.
  • By breaking the box seal and/or installing this product, you assume risk and liability of result from its use and you release EGR Parts, its suppliers, distributors, and dealers of any and all liability. EGR Parts, its suppliers, distributors, and dealers will not be responsible in any way for the product's service and use.
  • According to the EPA Clean Air Act, this product is illegal for use on any Federal, State, or Local public highways and illegal use is punishable by the penalties enacted by the mentioned laws. This product is for "RACE USE ONLY." The use is limited to closed and open-course racing that is formally sanctioned by a recognized racing organization. Any other use including on-road and recreational off-road use could be in violation of local, state, and federal laws. Read the full disclaimer.

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