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Did the symposer delete with plug for optional vacuum valve. How do I know the plate and plug have no leaks?
And can I use something less expensive to oil my green air filter? If so how to apply it?
 

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1) got out to a long stretch of highway, downshift to 4th, push go pedal to floor, let us know how much boosta there is

2) the cleaner/oil kits for the green filter is between $12 and $15...I'm guessing that will last at least 20-25K or more depending on how often you clean and oil. That's cheaper than the K&N kits
 

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I had the gasket missing between the manifold and the factory Symposer piece. It's a pretty flat, secure fit but even that was enough to make it idle funny and throw a code. The engine/system is very sensitive to vacuum leaks. If you had s leak, she'd let you know.
 
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