Link PlugIn ECU WRXLink (3-4) WRX4X - Subaru Impreza WRX & STI V3-4 (MY 97-98) haltech Automatic pulse width calculation based

Automatic pulse width calculation based on volumetric efficiency (20x20)

-Allows blending multiple load types

We've happy to announce that EFI now sells and tunes in house as well as remote the complete line of Maxx ecu hardware products

This clutch kit uses an SFI approved

Link PlugIn ECU WRXLink (3-4) WRX4X - Subaru Impreza WRX & STI V3-4 (MY 97-98) haltech Automatic pulse width calculation basedNote that all of our Link ECUs are drop shipped from the manufacturer unless otherwise noted. allow 1 2 days processing time, longer for items not in stock. Link products are also sold locked requiring an unlock code from us once installed to operate. codes will be provided via email or SMS (whichever you supply at the time of the order) Designed for the WRX V3 4 EJ20 Please check your connector matches the header in the listed photo before