Universal Aluminum Vacuum Block Kit - Black - VACBLOCK-BLK 101mm Skunk2s MegaPower Exhaust Silencers are

Skunk2s MegaPower Exhaust Silencers are engineered as free-flowing mini-mufflers

Clutch Disc: 4224010

The Stage 2 Drivetrain Package includes the Cobb Tuning Subaru Rear Shifter Bushing

Flywheel: 600990

air intake temps are minimized which provides the your engine cooler air for combustion

Universal Aluminum Vacuum Block Kit - Black - VACBLOCK-BLK 101mm Skunk2s MegaPower Exhaust Silencers areUniversal Aluminum Vacuum Block Kit Black This includes everything you need including barb fittings and plugs if you don't need to use all the ports. The larger port taps into your brake booster (or other large vacuum source) to provide multiple vacuum sources.