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3 options.
-Order the resonated X pipe section for your AWE Axle back...will help a bit but it's still going to be loud.
-High flow cats
-Find a used ZL1 muffler.
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2016 NFG 1SS A8
Options-2SS Leather/NPP
Perf. mods-Whipple 2.9/Fuel System/Flex Fuel/103mm TB/Rotofab Big Gulp/Cat Deletes/Corsa NPP
Per. times- 10.5 @ 137 w/ 1.8 60ft Full weight on 20's 1200DA
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