2015 A6 3.0 exhaust question
#1
04-23-2018, 12:55 PM
2015 A6 3.0 exhaust question
Are there any code issues or concerns when swapping factory single tip muffler to a factory dual tip S6 muffler? The new muffler has what appears to be a control switch that the existing muffler don't.
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weggman
Audi Q Model Line
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01-06-2016 07:48 AM
