Boomslang Fabrication Plug And Play Harness For Use w/ Haltech Nexus R5 ECU Many Subaru Models w/ Manual Transmission Year and Model:2007 STI Driving Experience: Improves shift feel

Driving Experience: Improves shift feel and cabin ambiance

Material: High-grade polyurethane

making it ideal for turbocharged Subaru WRX STI and other performance models

aFe POWER recommends to use the SCORCHER GT module in Sport or Sport+ settings during towing

Aesthetics: Striking Neon Yellow finish with Perrin logo adds a clean

Boomslang Fabrication Plug And Play Harness For Use w/ Haltech Nexus R5 ECU Many Subaru Models w/ Manual Transmission Year and Model:2007 STI Driving Experience: Improves shift feelBoomslang 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 Nexus 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.