i have a standard blow off valve for my skyline i want it to be loud but not to loud to be illegal what is a good blow off valve i can get to be legal??
i got a 1996 nissan skyline r33 gts-t i wnt to put a exuast on it and i dont no wich one to put, does anyone have any ideas of wich exuast will be the best and wich will sound unique and nice?? and pricing??