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A little update.
150 miles no CEL yet. Also not seeing any KR. Sound in Stealth mode is about like the Stock setup open but a little tinny sounding. Open it gets LOUD! However there is not a hint of drone in either mode. For the price this is not a bad mod. I do think the Stock NPP unmolested sounds more refined per say. Performance wise its hard to tell yet.
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2016 NFG SS A8/Whipple 2.9/Fuel System/Flex Fuel |