you can use various calculator and DIY it yourself. The only problem I can think of is finding the exotic components that will make your passive not at bargain price anymore :D
screw the passive for now la,sifu........gonna go active,perhaps when i'm ready to invests in serious SQ shit,i'll go back to passive.......u said u've got a friend for installation.....is it Abg.Yus from Batu Caves??
Where's the 2 piping (circled in red) goes? The one on the left goes to the intake manifold (i guess). The one on the right goes to some sort of plastic black box. Does anybody knows what the box does and...