MS3Pro ULTIMATE Center Harness diypnp or 8 or more injectors

or 8 or more injectors

all of the available I/O of the MS3-Pro are brought out in the harness to make expansion as easy as possible regardless of the featureset you’re planning to use

you do not need any BIP373 drivers

Ready to rock your ride handling up to 44psi of BOOST

MS3X paved the way for the powerful MS3Pro systems by AMP EFI

MS3Pro ULTIMATE Center Harness diypnp or 8 or more injectorsMS3Pro ULTIMATE adds nearly 50% more I O with the addition of a third AMPSEAL 23 pin, 8 flying lead. Harness arrives with color coded, printed wires per the pinout below (black center connector) ***Center Harness ONLY in this listing, intended for people upgrading from MS3Pro Evo with no other changes needed, or from MS3Pro Gen1 (which requires only a few changes to wiring on the white grey connectors)