WCFAB 2007.5-2010 LMM Duramax 4" Intake Kit with Air Box Stage 2 Fuel System the last four years have

the last four years have given the S&S engineers plenty of time to discover and eliminate potential problems

S&S is offering kits with high-speed optimized competition pumps

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Significantly increases airflow to your turbo producing improved horsepower and torque and cooler intake temperatures by drawing cold air through the hood Ram Air duct and inner fender

WCFAB 2007.5-2010 LMM Duramax 4" Intake Kit with Air Box Stage 2 Fuel System the last four years havePowdercoat colors can be found here! WCFab 2007. 5 2020 GM LMM 6. 6L Duramax Stage 2 Intake Kit with Air Box. This high flow, fabricated aluminum intake pipe and air box enclosure with dry filter assembly replaces the restrictive plastic factory parts on your diesel for improved engine performance. All new design significantly increases air flow to your turbo producing improved horsepower and torque, quicker throttle response, and cooler intake