Daystar Do Not Flash OBD Plug KU71124BK AM-15301 Available for both the E4OD

Available for both the E4OD and 4R100 automatic transmissions

torque and reduced EGT’s

give us a call and we would be happy to help steer you in the right direction

Bosch superseded the larger diameter 6

Advanced NF21 synthetic filter media for top-tier contaminant capture with minimal flow restriction

Daystar Do Not Flash OBD Plug KU71124BK AM-15301 Available for both the E4ODIf you've ever had the dealer flash over a performance tune stored in your ECM, you know how difficult it can be to get a recovery file from the manufacturer to restore your programmer. In order to avoid this problem when going to the dealer, plugging this simple blocker plug into your OBDII port can save you a lot of headache.