the reason i got the 2.5 system was because it will give me the best results up to the 350 mark, got it at a good price to, lol
350 is my goal for the mean time then on to 400, when i get to 350 then will be changing the exhaust for a 3 inch system and ditching all the cats, ect, for the road to 400.
dont live in blackburn anymore mate moved ou 3 year ago, and the car isnt blue black anymore, its graphite black,