Hi..i also have the same car (2L V6) now all i did was put a hi flow filter on it..you wont find headers for this car (trust me when i say the car has enough power)..! i lifted the springs with coil spacers..looks great now. i have the same size tyres as you too..dont go to big as you will..YES YOU WILL wreck your front diff..becasue its cast ALLOY (and yes i have broke one already) !! i also weld up my front diff..BUT you must fit manual free wheeling hubs and ONLY LOCK THEM OFF ROAD !!! other wise..."BANG" if you want to lift suspension properly..go iron man..they have a kit to suit..Calmini if you got money to burn..rear diff locker from
Sidekick and Tracker lockers. so far i have snatched a 2006 toyota troopy of the beach...he was impressed but yet annoyed lol. good luck...ps any more questions id be glad to help ya.