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Perrin Diffrential Lockdown System - Subaru WRX STi 2015-2021
Lease for as low as $/week
The PERRIN Differential Lockdown eliminates the excessive movement of the rear differential under hard acceleration and deceleration, resulting in a more solid and responsive feel. This upgrade helps transfer power to the wheels more efficiently, improving traction and overall drivability.
Key Features
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Reduces Differential Movement:
Factory rubber bushings allow the rear differential to move under load, creating wheel hop and drivetrain lash. The PERRIN Differential Lockdown brackets hold the differential securely in place. -
Improves Acceleration & Traction:
Minimizes drivetrain slack, giving a more direct connection between the throttle and wheels. -
High-Quality Construction:
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CNC‑machined 6061 aluminum brackets
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Durable black anodized finish to resist corrosion
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Stainless steel hardware included
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Simple Bolt-On Installation:
Installs using factory mounting points without permanent modification.
Benefits
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Eliminates clunking and wheel hop under hard launches
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Provides a more precise, sporty driving feel
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Improves power delivery to the ground during acceleration
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Increases overall stability of the drivetrain
Included Components
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2x CNC‑machined aluminum differential lockdown brackets
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Complete stainless steel hardware kit
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Installation instructions
Returns may be accepted within 14 days of purchase pending Return Merchandise Authorization (RMA). No returns or cancellations on special order items. All returns will be charged a 20% restocking fee, no exceptions.
To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging. Item must be able to be resold as new.
Several types of goods are exempt from being returned. Hazardous materials, fluids, greases, chemicals, and clothing are not able to return.
Free shipping is available within the lower 48 states for most orders totaling $199 or more. A free shipping option will be available during checkout. This offer is for delivery address in the continental United States and excludes shipments going to Alaska, Hawaii, Military Boxes, and items that require freight shipping.
Processing Time
Patterson Performance stocks a large quantity of items at any given time. Some items may require drop shipping from one of our various distributors. In stock items will ship within 1-2 business days. If you're needing your product quickly, please contact us to verify product availability before placing your order. Orders requiring additional verification (security concerns, incorrect information, etc.) may need additional processing time. Estimated shipping dates are not guaranteed and are subject to change based on inventory levels and manufacturer lead times. Backordered items are shipped immediately once available.
Items ship daily, If the item you ordered is not in stock, a member of our team will contact you via email / phone.
Patterson Performance will only ship to an address that varies from your billing address if payment is made via Paypal or a financing partner.
Patterson Performance ships from multiple warehouses throughout the United States, and sometimes from manufacturers overseas.
You can simply contact us via email / telephone for a live inventory check
Find more information at www.P65Warnings.ca.gov.