42135-D Banks Power Ram-Air Intake Systems

Fits 2004.5-2005 Chevy/GMC 2500/3500 6.6L Duramax, LLY Only 2004 was a split year between LB7 and LLY engines. Check which engine you have. Locate the 8th digit of the VIN. 1 is LB7 and 2 is LLY Optional Super-Scoop (Chevy 42168/GMC 42169) rams cold air for more power.. Banks Ram-Air, Dry Filter, Cold Air Intake System for 2004.5-2005 Chevy/GMC 2500/3500 6.6L Duramax, LLY.

Gain up to +39 hp/+69 lb-ft. Reduces exhaust gas temps (EGTs) and smoke. Outflows stock and competitors up to 35 percent. Optional Super-Scoop rams cold air for more power.Passes the test. Again and again. Others build and ship without testing. Not Banks. Our Ram-Air Intakes start out as CAD software prototypes and are put through flow simulations. The design is refined until the simulation shows optimal performance. Then a hardware prototype is made and the design is validated on a flowbench. After that comes dyno testing and on-vehicle testing. It takes a superior design to pass all those tests!Filter on a stick: a joke that’s not funny. A filter on a stick is a bad joke. It’s wide-open to hot, power-robbing underhood engine air. Ram-Air houses a giant filter in an enclosed cold-air box, which inhales cool, dense outside air—more than Banks’ competitors and up to 48% more than stock—for more power (up to +39 hp/+69 lb-ft , with tuner). More mileage, lower EGTs and less smoke, too. And it’s designed to not cause fault or error codes.Bellows, too? Very exclusive. Banks Ram-Air is the only aftermarket intake with bellows. This accommodates engine movement and prevents component damage for longer service life. The optional high-flow Super-Scoop is another Banks exclusive! US Patent #10,138,851 B2

Features:

• Gain up to +39hp/+69lb-ft, 35% Less Restrictive, Lowers EGT and soot output
• 5-Year Limited Warranty

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