you could upgrade your fuel system bigger injectors would help, high comp pistons, cams, new valves, just about anything you can do internally will give you anice boost and jdm or japanse domestic market for everyone that is new, basically make you teg a more authentic japanse car by adding actual parts from japan, usdm or united states domestic market is what your ls is. basically you lose the bug eye front and go to a solid one piece which looks a lot better