Banks Ram-Air® Intake system

(2001-10) On W-Series Workhorse motorhomes, Banks Ram-Air intake system replaces the constricted stock setup for up to 66% more airflow than stock. The high-flow Ram-Air filter does away with intake obstructions so more cool, dense ram-air can make its way into the cylinders. The filter housing cover and tubing are larger than stock to enhance flow. And the Banks adapter enlarges the air filter box inlet to significantly improve airflow and power output.

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ApplicationYear RangePart #
Banks Ram-Air filter element
1993-95 GM 6.5L/1996-07 GM MH
1993-08 41022
Ram-Air Intake System
GM 8.1L MH-W
Emissions compliant: CARB E.O. D-161-81
2001-10 49194
Air Filter Service Kit
for use with Banks OILED Air Filters

Owners Manual(s)

Intake- Ram-Air Intake system '01-08
Class-A MH
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8.1L motorhome PowerPack: Very satisfied!


I had your exhaust and intake systems with the OttoMind programmer installed and am very satisfied with your product. I get @ 2 miles to the gallon better fuel mileage while towing a 2010 Toyota Yaris. The difference is definetely noticeable. Good engineering job!

Dennis H.

Ram-Air development

Gale talks with SpeedTV about what went into developing the Ram-Air cold air intake system. (Note: Some components or designs shown may not be available for all applications.)

RV Today features Banks

It's an old episode but what Gale explains about the principles of improving the performance in your RV still applies today.

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Free Test Report


It was a pleasure to test a performance-improving aftermarket modification that actually works as advertised.

Trailer Life