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post #5 of (permalink) Old 16-08-2016, 08:30
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Join Date: Dec 2012
Car: MGF
Posts: 65
I had never heard of the exhaust valves until recently. My F is in Spain and got an advisory re noise. It has a standard cat and MS back box so not really considered loud. I have seen on ebay sound reducing valves, do they work, or can some one recommend something.
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