Cobb Tuning SF Airbox Only - Subaru STI VAB 15-21 2015-bmw-740i-esi8996333 Manufactured to exacting tolerances

Manufactured to exacting tolerances

100% synthetic brake fluid developed for racing applications

4L engine in the WRX

THE ONLY EXHAUST YOU"LL EVER NEED - MBRP Armor Pro Series exhaust systems are backed by a Lifetime Warranty and crafted out of T304 Stainless Steel - the most durable material grade that money can buy

Offset: -5

Cobb Tuning SF Airbox Only - Subaru STI VAB 15-21 2015-bmw-740i-esi8996333 Manufactured to exacting tolerancesThe SF Air Box adds the benefits of a cold air intake to the outstanding performance of the SF Intake. The factory inlet directs cold air from the front grill to the SF Airbox, which encloses the SF Intake. Hot engine bay air that robs horsepower is prevented from entering the intake system to provide consistent intake performance. This unique design also separates rainwater from the intake air, eliminating the water ingestion issues that plague in