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For optimal performance and longevity
Built to enhance the durability and performance of your vehicle's limited-slip differential
Premium Material Construction: CNC-machined from 6061-T6 billet aluminum
supporting optimal power transfer and driving confidence during competitive or spirited driving
By lowering the thermostat’s activation temperature
Perrin Turbo Sump Restrictor | 2018-2023 Subaru WRX (PSP-ENG-630) YMM_1999_2006_Chevy_Silverado_1500_I_GMT800 For optimal performance and longevityPerrin Performance Turbo Sump Restrictor Part #: PSP ENG 630 Overview The Perrin Turbo Sump Restrictor is a specially designed component for Subaru WRX models from 2018 to 2023. This part is engineered to address common oil consumption issues that can occur after installing aftermarket exhaust systems such as cat back, j pipe, or turbo back setups. When these modifications alter exhaust pressure, it can lead to engine oil escaping past turbo seals,
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