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Old 01-30-2019, 03:12 PM   #20
KingLT1


 
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Drives: 2016 1SS NFG A8
Join Date: Aug 2017
Location: 46804
Posts: 7,560
Quote:
Originally Posted by grampa_ss View Post
Will just the headers bolt directly up to our existing exhaust with our stock cats?
No long tube header will bolt up to the stock cats....the collector length is too long. That is why the factory uses a mid-length header keeping the primary cat and o2 sensor as close to the engine as possible for proper operating temps.
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2016 NFG SS A8/Whipple 2.9/Fuel System/Flex Fuel
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