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The Banks Power 42172-D Ram Air Intake System with Dry Filter for your 07.5-10 GM 6.6L Duramax delivers exceptional airflow and air density. Its large synthetic dry 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