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Fits all 2012-2015 9th Gen Civic Si
while the Exedy engineering heritage from Honda's OEM supply ensures correct application-specific dimensions
Adapts OEM downpipe to 3-inch cat-back
This blow-off valve has been configured to be a 100% recirculating and features Go Fast Bits TMS Technology that will help return the engine to peak boost up to 30% faster than a factory diverter valve when shifting gears
Unequal design
Boomba Racing White Delrin Shift Knob w/ Black Trim - Subaru 6MT Models (inc. 2004+ STI / 2015+ WRX) PDM_mirrors Fits all 2012-2015 9th GenBoomba Racing Blow Off Valve Black Subaru WRX 2015+ RallySport Direct carries a great selection of quality performance upgrades and accessories brought to you by Boomba Racing. This is the Boomba Racing Delrin Shift Knob. This particular knob is intended to help improve positive engagement while shifting. It has been designed using a brass core for the added weight, and it is encased in a Delrin shell for durability and for excellent temperature