[Jethro]

i recenly installed an 4" cat delete downpipe and afe turbo inlet and keep popping an engine code. the truck has driven fine for about 10k with the other mods. will get codes tomorrow, yes i unplugged the batteries after the mod, its happenes in town when im driving the truck easy, dont know where to start

 

[sparepartsracing]

prob because u removed the cat/muffler happens to some truck you need a false code eliminator i believe its called give chad at Alligatorperformance a call

www.alligatorperformance.com

 

[Jethro]

my buddy runs 4" straight and has never had a problem, lly also

 

[sparepartsracing]

like i said some trucks do it some dont