Subaru Impreza 04-07 STI LHR/RHR Axle Horsepower Rating:500HP The board also features 2

The board also features 2 switchs one of which allows you to turn the LEDs on or off

OEM O2 sensor bung

This cuts down on back pressure and allows the 4G63 engine to breathe easier at high rpms

Fitment Note:

Anodized Black

Subaru Impreza 04-07 STI LHR/RHR Axle Horsepower Rating:500HP The board also features 2Far more superior than your typical swap axles, Insane Shafts axles are made out of chromoly steel that is put through a proprietary annealing and heat treatment process that is capable of handling power demands in your choice of 500 or 1000 wheel horsepower. These axles are the perfect addition to your high performance vehicle needs. All insane shafts axles include removable ABS rings (if applicable) and new spindle nuts. Application: 05 07 SUBARU