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Ships within 48 hours · Estimated delivery Aug 11 - Aug 16
Verify your existing ACT kit's disc reference number matches before ordering
A 3” T304L stainless steel downpipe-back configuration
Where the WRX tune is developed for performance
PERRIN relieves these issues by designing a brilliant larger core that improves the power and cooling efficiency to your stock
JXB Performance Driveshaft Center Support Bearing Carrier Upgrade - 2002-2007 Subaru WRX / 2004-2007 STI Bushing Stiffness:Both Verify your existing ACT kit'sImproved Driveline StabilityThe factory center support bearing carrier uses a thin rubber layer to isolate noise and vibration, but it allows excessive movement under load. This can lead to bearing sag, misalignment of the driveshaft over time, and added slop during shifts and throttle application. OEM Bushing Wear Over TimeAs the vehicle ages, the factory rubber bushing naturally deteriorates. It can become brittle, dry rot, and cracksometimes in as