Possibilities are endless bro, but if I were you I'd take Otep's suggestion, fix some stuff first, like timing belts, filters, oils and get a nice set of wheels and a lowering kit. Oks na yun, maintain mo lang na malinis, you won't look ricey.

Get an aftermarket CAI (K&N or AEM) also, di lang naman pang looks or few HP gain yun, kasi dimo na kelangan magtapon na maduming air filters, linisin lang oks na. Get a decent sound system.

Kung imomod mo yan na halos kalahati na ng presyo ng oto mo yung mod, e sayang unless mangangarera ka talaga.