Active Autowerke Underdrive Pulley Kit - E6x M5 / M6 (13-002) 18465 yno testing was completed on

yno testing was completed on a 2006 WRX

The DW440 pump kits include a bulkhead harness that allows pass-thru of the 4-wire system via a small 10mm hole which is easily added to an OE module top-hat

A bright chrome on T-304 stainless steel tip is also available

2 2007 GMC Envoy Engine: 4

To preserve hood finish and maintain durability

Active Autowerke Underdrive Pulley Kit - E6x M5 / M6 (13-002) 18465 yno testing was completed onThe Active Autowerke Underdrive Pulley Kit for E6x M5 and M6 is designed to optimize power delivery by reducing parasitic drag on the BMW S65 V10 engine's accessory components that share the drive belt system. This kit modifies pulley drive ratios to reduce engine load from accessories such as air conditioning and power steering, thereby unlocking additional horsepower. Crafted from aircraft grade 6061 billet aluminum with a hard black anodized finish