Boomslang Fabrication Plug And Play Harness For Use w/ Haltech Elite 550 ECU Many Subaru Models w/ Manual Transmission Year and Model:2002-2005 WRX By swapping out heavier stock

By swapping out heavier stock pulleys for these lightweight aluminum components

The COBB logo is laser etched to showcase quality craftsmanship

Upgrade your 2002-2005 Subaru WRX or 2004-2005 WRX STI with the COBB License Plate Delete for a sleek

Oil in the system reduces octane

Eibach’s spacers are made from aircraft-grade aluminum

Boomslang Fabrication Plug And Play Harness For Use w/ Haltech Elite 550 ECU Many Subaru Models w/ Manual Transmission Year and Model:2002-2005 WRX By swapping out heavier stockBoomslang plug and play adapter harnesses are a pre wired extension that sits between your cars factory ECU and wiring, allowing you to easily connect aftermarket engine management systems, piggyback controllers, or datalogging devices without cutting or splicing factory wires. The Haltech Elite offers full engine control. In some instances, the factory ECU remains in parallel to communicate on the OEM CAN bus Fully plug and play. Easy to install.