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USD 449
Part #: BP42172

Banks Power 42172 Ram-Air Intake System

2007.5-2010 GM 6.6L Duramax LMM
Part #: BP42172
★★★★★ ★★★★★ 3 Reviews
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The Banks Power 47172 Ram-Air Intake System for your 07.5-10 GM 6.6L Duramax delivers exceptional airflow and air density. Its large lifetime air filter requires fewer cleanings than competitive filters. With its giant outlet, streamlined components and enclosed cold-air box that keeps hot engine air out of the intake, the Ram-Air flows up to 66% better than stock. Improves power and MPG; lowers EGTs and reduces black smoke. Banks' unique 5" bellows accommodates engine movement, preventing component damage and prolonging service life. Designed to not cause fault or error codes; lifetime warranty on filter element. Unlike our competitors, Banks doesn't just build-and-ship. Our Ram-Airs are triple validated before the name "Banks" is stamped on. We test; they don't. That's the Banks difference
5-Year Ltd. Warranty

Banks Optional Super-Scoop
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 Intake's air filter housing. Because the air is drawn from outside the engine compartment, it has greater density and makes more power than warmer engine air. Rainwater and debris are funneled out of the bottom. Sold separately (see below).

Vehicle Applications

2007.5 Chevy 6.6L LMM Duramax
2008 Chevy 6.6L LMM Duramax
2009 Chevy 6.6L LMM Duramax
2010 Chevy 6.6L LMM Duramax
2007.5 GMC 6.6L LMM Duramax
2008 GMC 6.6L LMM Duramax
2009 GMC 6.6L LMM Duramax
2010 GMC 6.6L LMM Duramax


  • MFG. Number 42172
  • Manufacturer Name Banks Power
  • Shipping Weight 34.00 lb.
  • Shipping Length 19 in.
  • Shipping Width 11 in.
  • Shipping Height 22 in.
  • Fuel Type Diesel
  • E-Code 2
  • EO Number d-161-146
  • Filter Media Oiled
  • Filter Type Washable & Reusable
  • Intake Style Enclosed Air Box
  • UPC 801279421721
  • Warranty Yes
  • Warranty Info 5 Year Limited
  • Prop 65 Prop 65 WarningWARNING: Cancer & Reproductive Harm -
  • Internal L0.00R0.00


★★★★★ ★★★★★
4.0/5 Stars out of 3 Reviews
Excellent product. Adds amazing torque and the HP isn't a huge increase but noticeable. Total install took about 1Hr and very easy at that!
LMM Duramax owner
This is one of Banks best products from my experience. I have experimented with Airaid systems and various other systems in the past. This system provides the best MPG and Horsepower. I recommend this to anyone wanting an increase in MPG and Horsepower. I don't recommend the Banks monster exhaust though.Use this Banks Ram Air with a Magnaflow XL DPF back and the Quadzilla Stealth II Tuner for the ultimate combo. I have recorded a consistent MPG of 20 plus, cruising 70 MPH plus on the freeway using this combo. That is much better than the 14-15 MPG I was getting in stock form!
The Banks "ram-air" system is barely an improvement over the stock air box, I think its really a joke.added no noticeable gains in HP, TQ, or in MPG. I have a hard time beliving the previous 2 reviews after using it for my self. I saw no fuel milage gain. The kit is also poorly made. sure it works, but the top of mine would not go on to the box correctly and couldnt get all four bolts that hold it on to screw in because the holes dont line up and i ended up drilling them out. I recomed the AFE air intakes over this one every day of the week, the fit much beter and accualy add noticeable gains.

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