i have a 2wd sapph cos and want another stainless pipe for it,i have a scorpion on it now which i dont think is the best for performance.i want to stage 3 it in the future so want something that will do the job.i dont want a mongoose as they are too loud,i want something that wont get me an asbo,reasonably priced,good fitting and with a 4 inch outwardly rolled tailpipe!any ideas?