I removed all 4 Resonators and installed an X-Pipe.
$300 USD installed. Stainless pipe used.
This thread convinced me. http://www.audiworld.com/forums/a6-s...2808389/page2/
I would recommend doing this, not loud and very tame.

Last edited by Nizmo; 02-20-2016 at 01:32 PM.
Current:
2019 Ford Expedition
2009 3.0T A6 Avant w/Prestige package, Side Assist, and Cold Weather package
Past:
2016 2.7 EcoBoost Ford F-150 XLT SCREW
2007 3.2 A4 Deep Sea Blue Avant
2006 A6 Arctic White Avant
2002 1.8t A4 Sedan
Current:
2019 Ford Expedition
2009 3.0T A6 Avant w/Prestige package, Side Assist, and Cold Weather package
Past:
2016 2.7 EcoBoost Ford F-150 XLT SCREW
2007 3.2 A4 Deep Sea Blue Avant
2006 A6 Arctic White Avant
2002 1.8t A4 Sedan
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