This Map tap will allow you to add a vacuum source to your M157 or M278 to add a boost gauge or water methanol injection kit.
This will lift the ECU about 1/2″ its is HIGHLY recommended you add the standoffs to your order so the ECU can still sit in the pegs.
- Billet Map Tap
- Longer Bolt
- 2x Orings
Click here for the complete installation guide