Follwing are the modifications done till now :

Exterior
1)Spoiler
2)Red parking lights using flashers
3)17" & 15" KONIG wheels
4)PIAA super plasma gt-x fog lamp bulbs

Interior
1)Pioneer DEH-P8650,2 set of TS-C720PRS components of Premier and a pair of Premier TS-W3004SPL subs
2)Premier PRS-D3000SPL amp for subs and Premier PRS-D4000F amp for components speakers
3)Pioneer DEQ-9200 equalizer
4)Auto Gauge Water Temp, Air Pressure and Oil Pressure Gauges

Under the hood
1)4 point VOLKER Irridium spark plugs
2)K&N typhoon kit with extreme filter
3)Castrol Syntec engine oil
4)Suzuki high flow oil filter
http://www.youtube.com/watch?v=0KPyddWwg0k