Grimmspeed Black Lightweight Crank Pulley WRX 2015-2021 / BRZ 2013-2018 / FR-S 2013-2016| 095023 vendor_Vibrant Factory hoses deteriorate over time

Factory hoses deteriorate over time and will need to be replaced

mandrel bent

the Mishimoto Aluminum Coolant Reservoir Tank is a perfect solution

Optimized for airflow and heat exchange balance

The Crème de la crème of single exit catback exhaust systems for the 08-21 WRX and 11-21 STi Sedan

Grimmspeed Black Lightweight Crank Pulley WRX 2015-2021 / BRZ 2013-2018 / FR-S 2013-2016| 095023 vendor_Vibrant Factory hoses deteriorate over timeYour factory crank pulley is responsible for transferring energy from your crankshaft to your water pump, a c compressor and alternator. It does this by way of a rubber belt and it does it's job well. The drawback to the factory pulley is that it's quite heavy. Reasons for this include less expensive manufacturing and using the pulley's mass to smooth out 'noise' in the accessory system (NOT to be confused with functioning as a harmonic dampener,