Reversible mod to make exhaust louder?
03-15-2018, 04:19 PM
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Reversible mod to make exhaust louder?
I am wondering if there is a relatively cheap and reversible mod to make my exhaust just a little louder. Something that I could change back when I sell the car/get tired of it. Maybe a resonator delete? Also, preferably something that won’t throw an engine code.
03-16-2018, 08:11 AM
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Unplug the 2 flapper valve controls at the rear mufflers. A bit louder under 2K rpms. If you look at the "Lag" thread above you will see a picture on the 2nd or 3rd page. Upside is it's free, the downside is switching to comfort will not work for the exhaust while unplugged.
03-16-2018, 09:23 AM
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Unplug the 2 flapper valve controls at the rear mufflers. A bit louder under 2K rpms. If you look at the "Lag" thread above you will see a picture on the 2nd or 3rd page. Upside is it's free, the downside is switching to comfort will not work for the exhaust while unplugged.
03-16-2018, 10:01 AM
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03-16-2018, 10:04 AM
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Unplug the 2 flapper valve controls at the rear mufflers. A bit louder under 2K rpms. If you look at the "Lag" thread above you will see a picture on the 2nd or 3rd page. Upside is it's free, the downside is switching to comfort will not work for the exhaust while unplugged.
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03-17-2018, 01:24 AM
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there was mention on audi-sport.net that unplugging these was throwing a rear brake sensor error found by the dealer..
see half way down this page..
S4 Exhaust Valve tweak | Page 5 | Audi-Sport.net
see half way down this page..
S4 Exhaust Valve tweak | Page 5 | Audi-Sport.net
03-17-2018, 05:37 AM
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there was mention on audi-sport.net that unplugging these was throwing a rear brake sensor error found by the dealer..
see half way down this page..
S4 Exhaust Valve tweak Page 5 Audi-Sport.net
see half way down this page..
S4 Exhaust Valve tweak Page 5 Audi-Sport.net
