i have an 87 turbo supra. its got a welded muffler that sounds eh ok that my brother did. thats about it aside from the neons and subwoofer that add like 45 horsepower i think? hahha stupid ricer. anyways what is the cheapest and quickest way to get it up to par.. i was thinking first step is apexi boost controller.. then catback.. downpipe and test pipe.. then idk. also what brands would you recommend.. i want loud and good sound quality but im more concerned about raw power.. helpppp