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This is an S&B cold air intake kit for the 2011-2016 Chevy Silverado and GMC Sierra 2500/3500 trucks with the 6.6L Duramax LML diesel. It replaces the stock airbox with a sealed housing and an oiled cotton gauze filter, and S&B rates it to ISO 5011 filtration standards. It is CARB exempt (D-590-15) and street legal in all 50 states, and it needs no tune. It suits LML owners who want better airflow and a more audible turbo without touching engine calibration; rivals like Banks and aFe offer similar sealed designs, but S&B's documented filtration testing and no-tune fitment are its main selling points.
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Lowest price we've seen: $102.95 on Nov 13 at Amazon. Tracked across 14 stores since Nov 13.
Owners rate it highly, praising the fit on LML trucks, the added turbo sound and the seat-of-the-pants throttle response. Complaints center on the oiled filter upkeep and installation time.
This cold air intake is made by S&B for 2011-2016 Chevrolet and GMC trucks with the 6.6L Duramax LML diesel engine. It uses a cotton filter. No tune is required.
It fits the Chevrolet Silverado 2500 and 3500 and the GMC Sierra 2500 and 3500. It is legal in all 50 states and carries CARB Exempt ID D-590-15.
