Synchrotech 1-5 RSX/Civic Si 02-05 5 Speed Carbon Synchro Set S2000 which allows users with programmable

which allows users with programmable engine management systems (capable of tuning for flex fuel) the ability to optimize an engine’s tuning calibration for fuel ethanol content

This means your USDM OBD1 ECU will be ready and able to have a custom basemap or tune installed into it via chip format

It features a compact 39mm diameter that fits most applications and an offset inlet design that eases installation

and machine the case so your ecu is ready to go

Synchrotech 1-5 RSX/Civic Si 02-05 5 Speed Carbon Synchro Set S2000 which allows users with programmableSynchrotech 1 5 Pro Series Carbon Synchro Set Fitting: 02 06 RSX base model 5 speed and 02 05 Civic Si 5 speed (W2M5 NRH3)