Big Maf Intake

COBB Tuning Subaru WRX/STI 70mm SF Big MAF Intake - What's in the Box?

Big Maf Intake - For more info click here Today Rick opens up the COBB 70mm Big MAF SF Intake for the GD WRX/STI and Forester XT. If you are running at the limits of your MAF now its probably time to upgrade to a bigger housing.

Tags: COBB,SF,Big Maf,70mm,Subaru WRX,Subaru STI,7122...