Thread: Low Cost NPP modification for more volume
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Old 08-30-2018, 10:14 PM   #6
KingLT1


 
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Drives: 2016 1SS NFG A8
Join Date: Aug 2017
Location: 46804
Posts: 7,665
Install CA cat deletes and the NPP will get much louder when open.
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2016 NFG SS A8/Whipple 2.9/Fuel System/Flex Fuel
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