If you’re looking for greater power and fuel economy for your 2007-2010 GMC/Chevy 6.6L Duramax LMM, Banks Ram-Air Intake Systems are tested and proven. Thanks to its enclosed cold-air housing, huge inlet, giant dome-shaped lifetime filter and streamlined design, Banks Ram-Air Intake maximizes the flow of cool, dense air to the engine for greater power and fuel economy. It flows 47% better than stock. And delivers greater air density to the turbo’s inlet than the stock system and every competitor tested! Add on the optional Super-Scoop, and the results are even better!