ops sory bro cmng.
like i said i wanna upgrade for street use and sometime go 'test2 power' with friend.
for now my tire is Toyo T1R,my rim is advan tc 16,my absorber is tien super street.
i also use ultra racing bar and auto foam for straining my car body.
so i quit satisfied with this.that why i focus on engine now.
but i still need suggestion or info from you guys.
thanks again bro cmng.:)