The PERRIN Throttle Body Coupler Kit replaces your factory coupler with our high-gloss, vibrant color hose that looks and works better. Our silicone couplers are made from fiber-reinforced 3-ply silicone tubes. Our high-strength reinforced silicone's multi-layer design is capable of withstanding extremely high pressures and temperatures.
Increase horsepower and torque without ECU recalibration or tune! This part is designed and tested to work safely on your vehicle without any tuning required! However, more power can be gained with proper ECU tuning! Confirm any tune or recalibration you add is specific for ALL modifications added to the vehicle. Questions? Contact Tech@PERRIN.com.
PSP-ITR-301BK = 2002-2007 WRX, 2004-2021 STI, Black
PSP-ITR-301BL = 2002-2007 WRX, 2004-2021 STI, Blue
PSP-ITR-301RD = 2002-2007 WRX, 2004-2021 STI, Red
PERRIN Performance warrants to the original purchaser that all PERRIN products will be free from defects in material and workmanship within a sixty (60) month period from the date of purchase. *Some exclusions apply
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