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Backpressure valve = no louder

1213 Views 9 Replies 5 Participants Last post by  PunchIt
I removed the vacuum hose from the back pressure valve in the exhaust.

The sound did not increase hardly at all. My car was already fairly gurgly.

Some here were complaining that it was sooo loud. Not sure if this mod really makes any difference.
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Replies by webguy is why I hate asking questions or providing answers.

It was just a comment for pete's sake. I hate these Johnny come lately BMW owners.
That is exactly what I mean. Oh well.
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