Reduce drivetrain shudder under hard acceleration by installing a PERRIN Pitch Stop Mount.
Subarus with power and drivetrain upgrades will need PERRIN’s more aggressive option.
What does it do?
Under hard acceleration, the drivetrain is being twisted front to back from front axle torque twist.
To control this front to back twisting, Subaru created a pitch stop mount.
The factory pitch stop is made of plastic with soft rubber bushings, allowing for a significant amount of movement under hard driving conditions, creating drivetrain slop and shudder.Why
Do You Need It?
The PERRIN Pitch Stop Mount controls the movement of the drivetrain in both on and off throttle driving giving the driver a more positive feel and literally putting more power to the wheels by eliminating lost energy.
Construction
The PERRIN Pitch Stop Mount’s body is machined from 6061 billet aluminum and features a combination of 90a and 70a durometer bushings.
The bushings are as stiff as possible without introducing excessive NVH (noise vibration harshness).
Specifications:
Pitch Stop Body Material: Aluminum
Bushing Material: Polyurethane
Finish: Anodize
Compatibility:
1993-2011 Impreza – Yes
2001-2014 WRX – Yes
2015-2019 WRX – Yes
2015-2019 WRX CVT – Yes
2001-2014 STI – Yes
2015-2019 STI – Yes
2004-2006 Liberty – Yes
2004-2009 Liberty GT- Yes
2003-2008 Forester / XT – No
2009-2016 Forester / XT – Yes
2017-2018 Forester / XT – No
2012-2019 Impreza – Yes
2013-2019 Crosstrek – Yes
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