The Subaru BRZ PCV Valve Hose is the designated inlet pathway that feeds crankcase vapors back into the intake system to be reused by the engine for a cleaner burn. The PCV Valve Hose works in tandem with the sliding pintle in the valve to relieve pressure, prevent oil blow-by, and reduce emissions. The result is a better performing vehicle that drivers can instantly feel. By trapping fumes in a closed loop, the PCV Valve Hose keeps the throttle body clean and free of gummy deposits, helping maintain the sharp throttle response the BRZ platform is known for. Each Subaru specific PCV Valve Hose clamps securely to the crankcase port on either the driver or passenger routing. As a result, there is no leaking in every 2013 to current BRZ trim, including Limited, Premium, tS, and special editions. When in place, the PCV Valve Hose ensures proper air-fuel ratios which help the BRZ boxer engine use fuel more efficiently and protect the catalytic components. These are two good reasons for daily drivers and weekend racers. If a hose ruptures or softens, pressure spikes could lead to a rough idle and elevated tailpipe readings. Thus, visually checking this Subaru part regularly is good preventative maintenance. The PCV Valve Hose comes with heat resistant layering, durable rubber construction, and factory formed bends allowing it to shrug off under hood vibration and temperature swings which would defeat generic tubing. Owners commend the plug-and-play design as it can be installed in a few minutes with only basic hand tools. It restores balanced breathing, thus allowing the Subaru coupe to corner hard without concern over oil mist or fuel stink sneaking in. Subaru encourages the timely replacement of the PCV Valve Hose to keep factory spec emissions numbers on every BRZ chassis. The BRZ provides that exceptional balance of efficiency, safety, and fun associated with Subaru while going through mountain passes and on the way to school. And it's all possible thanks to a healthy PCV Valve Hose.
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