df Perrin Turbo Sump Restrictor - 15+ WRX / 14+ FXT - New Provisions Racing

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Perrin Turbo Sump Restrictor - 15+ WRX / 14+ FXT

Fix both the burning oil smell and blue exhaust smoke problems associated with your WRX turboback exhaust or Stage 2 and higher WRX by installing the PERRIN Turbo Sump Restrictor.

Many customers experience a burning oil problem or blue smoke coming from their exhaust after installing aftermarket J-Pipes or turboback exhausts. Installing these parts on the new FA20DIT motors causes a change in exhaust pressure and therefore allows engine oil to escape out of the turbo seals. This leak into the exhaust creates a burning oil smell and blue smoke that many people see. Cars with catless J-Pipe setups experience this issue much more than cars with high-flow cats.

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