Catless

[Vsnichol01]

If I go fully catless on my gt2 would I need a ecu tune or would just the jb4 be just fine . My current mods are CAI , ark secondary’s , mbrp cat back and a jb4

 

[General_Vodka]

If I go fully catless on my gt2 would I need a ecu tune or would just the jb4 be just fine . My current mods are CAI , ark secondary’s , mbrp cat back and a jb4

You will probably get some overboost.

 

[Vsnichol01]

You will probably get some overboost.

Would the ewg wires help out with that ?

 

[General_Vodka]

Would the ewg wires help out with that ?

They should. Wont do much for the oil blow by due to the lack of back pressure though