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Q: Can I put a blow off valve in my car?

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Can I put a blow off valve in my car? And do I need a turbo charger for a blow off valve?

My car has 124000 miles.
My car has an automatic transmission.

If I am understanding your question correctly, you are wanting to install a blow off valve on a non-turbo charged car. A blow off valve is typically only necessary in turbo charged applications as it’s function is to to release pressure in the intake system of a turbocharged vehicle when the throttle is lifted or closed. Without a turbocharger on your car this type of a valve would not serve any purpose.

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