View Single Post
Old 01-30-2019, 02:12 PM   #20
KingLT1


 
KingLT1's Avatar
 
Drives: 2016 1SS NFG A8
Join Date: Aug 2017
Location: 46804
Posts: 6,800
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.
__________________
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
KingLT1 is offline   Reply With Quote