I wouldn't call it "best", but I really like my Cat delete pipe -> Borla resonated mid-pipe-> to Corsa NPP setup. Truly mild to wild exhaust with NO drone. The problem is I wouldn't pay what they want for the Corsa Now. I bought mine before the price hike which was cheaper than you can get the standard Non NPP version now.
That being said, I would probably recommend LT headers -> resonated X pipe -> stock NPP.
The key is to either retain Cats or put Resonators in the mid pipe and most mufflers will sound good imo.
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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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