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2018 Vulcano Black Giulia Quadrifoglio
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Discussion Starter · #1 ·
I know a lot of exhausts can be bought with or without valves, and I'm wondering if buying one without valves (both louder and cheaper) would throw a cel?

I have the forza installed if that makes any difference.
 

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The exhaust valve is vacuum operated and will not throw a code on the QF. People have plugged the vacuum line with a cheap plug and valve stays open all the time.
 

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2018 Vulcano Black Giulia Quadrifoglio
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Discussion Starter · #5 ·
So essentially a non valved exhaust is the equivalent of having the lines plugged or the forza on which doesn't throw a cel

That's good to know
 
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