Collection:

2004.5-2005 GM 2500/3500 Engine Parts

80 products
Regular price $1,459.00
Sale price $1,459.00
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Optimizes the boosted air density for higher continuous power and lower exhaust gas temps. Restriction-free for superior flow with 25% larger core area and 34% more volume. Big boost tubes & du...
Regular price $449.00
Sale price $449.00
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Gain up to +39 hp/+69 lb-ft. Reduces exhaust gas temps (EGTs) and smoke. Outflows stock and competitors up to 57 Percent. Optional Super-Scoop rams cold air for more power. US Patent #10,138,851...
Regular price $619.00
Sale price $619.00
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Fitment Note  Fits 2004.5-2005 Chevy/GMC 2500/3500 6.6L Duramax, LLY Only **This is NOT a typical exhaust brake, this is an electronic brake!** 2004 was a split year between LB7 and LLY engines. C...
Regular price $155.00
Sale price $155.00
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Banks' exclusive Super-Scoop is an add-on product to the Ram-Air Intake System. Super-Scoop connects below the front bumper, forcing a big charge of cool, pressurized ram air into the Ram-Air Intak...
Regular price $189.00
Sale price $189.00
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Banks' huge 3-inch boost tube. Stock tube is smaller diameter with tighter bends which hurts flow. Banks boost tube is 3-inch constant diameter mandrel-bent Aluminized Steel with larger radius bend...
Regular price $155.00
Sale price $155.00
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More Power & MPG. Forces charge of cool, pressurized ram air into filter housing. Optimizes Ram-Air Intake efficiency for more power. Fitment Note The Super-Scoop is designed for vehicles with...