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2004.5 – 2005 Chevy GMC Duramax 6.6 LLY EGR & High Flow Intake Kit

2004.5 – 2005 Chevy GMC Duramax 6.6 LLY EGR & High Flow Intake Kit


Out of stock



EGR Delete Kit High Flow Intake Chevy GMC 04.5-05 Duramax Diesel LLY 6.6L 2500HD

Coaler Systems

EGR Delete Kit & High Flow Intake


  • Duramax Diesel "LLY" 6.6L 400CID OHV V8
  • (May) 2004-2005 Chevy SIlverado
  • (May) 2004-2005 GMC Sierra


  • 1x Nickel Plated Steel Exhaust Block Off
  • 1x Coolant Hose (430mm / 17" inch)
  • 1x M10 X M20 Hex Head Bolts
  • 1x High Flow Intake Elbow
  • 2x Hose Clamps
  • 2x M8 X 30MM Allen Bolts
  • 2x M10 X 30MM Hex Bolts
  • 2x M8 x 20MM Hex Bolts
  • 1x Permatex Silicone

**NOTE: Permatex Red RTV Silicone Gasket Maker has been made in the USA since 1909. This specially formulated gasket
maker will ensure the best possible seal.

Formulated for hi-temp applications, or heavy-duty use (such as towing, etc.).

Replaces almost any cut gasket by making reliable formed-in-place gaskets that resist cracking, shrinking and migrating
caused by thermal cycling. Coats pre-cut gaskets to increase reliability. Temperature range -65 F to 650 F (-54C to
343C) intermittent; resists auto and shop fluids.

Additional information

Weight 4 lbs
Dimensions 8 x 8 x 6 in

Manufacturer Part Number

Interchange Part Number

Placement on Vehicle


Detailed Applications:

Make Model Year
Make Model Year
Chevrolet Silverado 2500 HD 2004 - 2005
Chevrolet Silverado 3500 2004 - 2005
GMC Sierra 2500 HD 2004 - 2005
GMC Sierra 3500 2004 - 2005