Style chooser

Hi all,

since 2008 im using Proton Saga BLM 1.6 taxi spec but not a taxi........ now it time me to upgrade my car for more performance.

here are the thing that i already install it into my car:-
1) 4-2-1 Extractor
2) Highcam 262
3) Adjustable Campulley
4) EMS-1 Piggyback

now i thinking about using LSD into my car

i need suggestion from u guys should i put aftermarket LSD add-on or change the gearbox to MIVEC CK?

are MIVEC CK gearbox can put into my Saga BLM if can is there...