Whats your budget bro..??
Some of the following items are given below if budget is not problem...!
1)Pioneer D1720c components for front...(8~9K)
2)Pioneer 6902r 6x9 speakers for rears...(6~7K)
3)Cerwin vega Vmax 124 subwoofer...(9~10K)
4)Sealed enclosure (For punchy and deeper bass) made with mdf wood lined with polyfill for sub...(2.5~3K)
5)Sound magus VS 1500.1 mono amplifier for running sub...(13~14K)
6)Kenwood Kac m845 amplifier for running components and speakers...(7~8K)
7)Fusion 4 gauge wiring kit for mono amp...(3~4K)
8)8 gauge wiring for Kenwood amp...(1.5~2.5K)
9)Big 3 upgrades with 4 gauge wiring...(2~3K)
Thats all...