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Perrin Performance
Perrin 02-14 Subaru WRX / 04-21 STI (EJ) 304SS 3in. Down Pipe w/Cat (Slip Fit Rear/Divorced WG)
Perrin 02-14 Subaru WRX / 04-21 STI (EJ) 304SS 3in. Down Pipe w/Cat (Slip Fit Rear/Divorced WG)
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$679.15 USD
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$679.15 USD
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The Perrin catted divorced wastegate two piece design downpipe channels the exhaust flow from the wastegate away from the main flow coming from the turbo and then reduces turbulence, improves performance and keeps any pulses from the wastegate from slowing the turbo itself. The adjustable tail section will adapt to OEM and aftermarket cat back exhaust systems. Perrin included an additional O2 sensor behind the turbo to easily mount a Wideband O2 sensor for AFR gauges or future tuning.
Fitment Information:
2004-2021 Subaru STI
2002-2014 Subaru WRX
2009-2013 Subaru Forester XT
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