2016–2021 Honda Civic 1.5T Helix Air Oil Separator

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2016–2021 Honda Civic 1.5T Helix Air Oil SeparatorOverview Modern turbocharged engines recirculate crankcase blowby gases back into the intake tract through the factory PCV system. While effective for emissions control, these gases also carry oil vapor, fuel, and moisture that can accumulate in the intake manifold over time. These contaminants contribute to carbon buildup on intake valves, reduce effective fuel octane, and increase the likelihood of detonation. The PRL Helix Air Oil Separator is

Replacing the factory intake and airbox with the COBB Cold Air Intake will greatly reduce pre-turbo restrictions

9L engine and flow into an AWE 180 Technology® equipped resonator

PSP-BDY-231NY

Cast aluminum TIG welded assembly

Sedan 2018 BMW 320i xDrive Base 2

If you choose this setup you will need our K-Tuned recirculation fitting to allow coolant flow when the T-stat is closed

2016 BMW 640i Engine Connecting Rod Bearing Set

Measured Flow: 600 CFM @ 7" H2O

NOTE: Optional Sound Kit enables users to control the sound of the system from the cockpit of their machine

By maintaining a larger internal diameter throughout the inlet path

A simple solution to convert your 3” connection to 2

2017 - 2021 Toyota 86