Don't call just walk in and ask.
BrazukaV8 Well-Known Member Joined Nov 26, 2014 Threads 31 Messages 327 Reaction score 69 Location Los Angeles CA First Name Carlo Vehicle(s) Mustang gt PP Dec 14, 2016 #16 Don't call just walk in and ask. Sponsored
TYGT350 Nope, not a GT350 Joined May 29, 2015 Threads 5 Messages 177 Reaction score 72 Location Union City/Fremont/San Jose, CA Vehicle(s) 2017 Lightning Blue Mustang GT PP Apr 22, 2017 #17 Question if I install catted headers will I need something for the O2 sensors and will it throw a code?
Question if I install catted headers will I need something for the O2 sensors and will it throw a code?