PERRIN polyurethane inserts reinforce the OEM rear motor mount rubber bushings to reduce wheel hop and increase performance. PERRIN inserts may increase NVH (noise, vibration, harshness), but the improvement to overall performance is worth it.
The PERRIN Rear Motor Mount insert controls the movement of the drivetrain both on and off throttle giving the driver a more positive feel and literally putting more power to the wheels by eliminating lost energy.
Polyurethane provides enough vibration absorption for daily driving while giving the driver a feeling of a firmly connected engine and chassis.
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