This power commander is for a YAMAHA YZF-R1 02-03 the PCIIIR utilizes direct injector control technology that allows both fuel >>AND<< ignition adjustments designed for racing applications.
Simplifies fine tuning fuel curve. Easy to install. Best to use after bike mods i.e. air filter, exhaust system, engine performance modifications. Can download maps on website(

I used this with velocity stacks on my 02 R1, and there was a >definite< increase in power, and it wasn't even custom mapped.

$285Can obo (including extra serial link cable)