Answer
Theres a reason the gts was $30,000 more then the s4.... its not going to handle the same or have the same 0-60 for only $3000.the same modifications for a 2007 porsche gt3 to give you increased performan
ce, can also be done on a 1988 928s4.the cheapest-weight reduction dump the spare tire, tools, and jack in the hatch. do you really need carpet and padding in the hatch, or is it just increased weight? do you need a stereo and speakers?increased air flow-cold air intake, port and polish the intake man
ifold... forced induction-turbo or increase fuel-bigger injectors, bigger fuel pump decrease restrictions in exhaust-dump the double cat converters and muffler, port and polish the heads, bigger exhaust pipes, better flowing headers, bigger displacement-engine swap dump the current 5.0l and swap it out for the 5.4l.. theres 50hp.rotational mass-smaller wheels, light weight calipers/rotorshttp://www.928gt.comyoure not going to get the same performan
ce for $3000. it just cant happen. if your willing to spend more, then sure, you could blow by the gts performan
ce.