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This Black Friday, make a 15-minute upgrade your engine will actually benefit from. Install a J&L oil separator to capture oil mist from the PCV system before it coats your intake and valves. In one short session, you can help protect your vehicle's engine fuel economy and long-term reliability on your car, truck, or performance vehicle. What is an oil separator, and why are they important? Modern engines generate blow-by, the combustion gase...

If you spent time around trucks in recent years, you’ve seen the rise of catch cans. They’re not a vanity add-on. A well-designed oil separator keeps oily blow-by out of the intake path, which helps modern engines run cleaner for longer—especially on tuned or hard-worked trucks. Why do performance trucks need an oil catch can? All engines create “blow-by”—combustion gases that slip past the rings and into the c...

A quality oil separator keeps oil vapor out of the intake, keeping valves cleaner and maintaining your engine's performance and efficiency. The right unit fits your car without modification, withstands daily driving, and is easy to service. Air Oil Separator Buying Guide Fitment precision A good separator fits the car as it sits, with no cutting, guessing, or hunting for odd adapters. Vehicle-specific kit: Hoses are pre-cut to the correct length...