OR H pipe is a new tune needed?

[SFLDragon]

im picking up a prochamber will I need to get a new tune? thanks

 

[joshman1204]

you might need one but you should get one for sure if you are running O/R mids.

 

[Stang_It]

You may throw a check engine light if you don't have a tuner that shuts of the O2 sensors. DiabloSport posted a new update which alows you to do this now on the Predator as well as diabling traction control.