Just had fitted a 2.5" testpipe, ITG panel filter, Autotek HPFP and a revised piston type diverter valve. i'm ready for a remap now! The difference the testpipe makes on the stock car is very noticeable. The turbo spools so much quicker, the trottle reponds sharper and better. There is more power/torque through out the rev range. The miltek sounds abit louder now more meaty, bit still the cabin noise is not too intrusive. I cant wait to see how it performs after a custom remap. Thanks to Andy at Strom Developments for carrying out the work, Very nice chaps.