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Perrin [02-07 WRX/STI] Rear Diff Subframe Lockdown System
Add drivetrain rigidity and precision to throttle input with the PERRIN Rear Diff Subframe Lockdown System for the 2002-2007 WRX and 2004-2007 STI. The differential lockdown stiffens the front and rear differential mounts with 4 urethane bushings for zero movement under extreme conditions like drag racing and road racing, removing the "squishy" feeling at initial acceleration. The subframe lockdown solidifies the rear subframe against the chassis with 2 urethane bushings, metal sleeve washers and 2 bolts, eliminating driveline slop and the annoying 1st-to-2nd gear thud. A big improvement in overall feel for autocross, drift and drag racing.
- Fits 2002-2007 Subaru WRX and 2004-2007 Subaru STI
- Differential lockdown: 4 urethane bushings lock the rear differential by stiffening the front and rear mounts
- Subframe lockdown: 2 urethane bushings, metal sleeve washers and 2 M12 bolts solidify the rear subframe
- Eliminates driveline slop and the 1st-to-2nd gear thud
- Sharper, more linear acceleration and throttle response
- Includes bushings, bolts, sleeves, warranty, instructions and stickers
- Part #PSP-SUS-525
- 5-year manufacturer warranty
- Prop 65 Warning: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
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Perrin [02-07 WRX/STI] Rear Diff Subframe Lockdown System
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Are OEM products more expensive than aftermarket alternatives?
OEM products might have a higher upfront cost compared to aftermarket parts, but their superior quality and durability often make them a more cost-effective choice over time. Investing in OEM ensures you’re getting parts specifically designed for your vehicle, which can lead to better performance and longevity.
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Are parts from brands like Mopar, ACDelco, and Motorcraft interchangeable between different vehicle brands?
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Can I install OEM parts myself, or is it better to have a professional handle it?
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