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Banks Power Ram-Air Intake System 42135-D

Dealer Part: 42135-D
UPC: 801279821354

388.80 388.8 USD


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Vehicle Fitment: 2004-2005 Chevrolet 6.6L LLY Duramax Diesel

Note: This is a Dry Filter System

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 limited lifetime filter in an enclosed cold-air box, which inhales cool, dense outside air—more than Banks’ competitors and up to 57% 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!


  • Extensively tested & validated
  • Increases power & fuel economy
  • Reduces exhaust gas temps EGTs & smoke
  • Outflows stock & competitors up to 57%
  • Optional Super-Scoop® rams cold air for more power

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