difference between evo FQ and evo MR

okay i was wondering whats the difference between the evo Fq and the evo MR other then the YAW differencials. so i was wondering like what makes the FQ faster?

The current FQs are UK and Euro market Evos. They are all MR models. The FQs just have more power. Here's the UK model lineup.

Evo VIII 260-Much like the US model, but has SAYC instead of ACD. Has 260hp and a small wing.
Evo VIII 280 MR-Basic Evo MR. Has 276hp, ACD, SAYC. Bilstein suspension, lighter BBS wheels, rear vortex generators, full carbon fiber wing.
Evo VIII FQ300-An MR with 300hp.
Evo VIII FQ320-An MR with 320hp.
Evo VIII FQ340-An MR with 340hp.
Evo VIII FQ400-A limited edition MR with 400hp, featuring a built engine, larger turbo, uprated clutch, MOTEC engine management, lighter Team Dynamics alloy wheels, smaller aero mirrors, and front lip.