Perrin Boost Tube Kit (Black)- Subaru STI VA Honda drilling or permanent modification to

drilling or permanent modification to the vehicle is required

the shift throw distance and shift knob height are independently adjustable and both can easily be adjusted with the shifter installed in the vehicle

Designed to fill the voided areas in the transmission mount this achieves a crisp feel through gear changes and on/off throttle applications

four in-house brake dynos and real-world

Since K&Ns humble beginnings they have designed and manufactured over 2

Perrin Boost Tube Kit (Black)- Subaru STI VA Honda drilling or permanent modification toSwap out your overheated factory top mount intercooler for the PERRIN Front Mount Intercooler to get the most out of your turbocharged STI. Add power and a new bold look all in one. If you don't already have a PERRIN Front Mount Intercooler Core, make sure you do.