J J Jordan Oct 20, 2022 Can you tell me does hattech headers require you to plug in all 4 sensors or do you leave the back sensors off of the install? Also did you have to get a tune afterwards? Thanks you.
Can you tell me does hattech headers require you to plug in all 4 sensors or do you leave the back sensors off of the install? Also did you have to get a tune afterwards? Thanks you.
