PPC stage 1 upgrade

[a4sdaride]

has anyone tried thus plug-in ? let me know what you think and is it worth it.

tks

http://www.partsmonster.co.uk/tuning/bsr-tuning-kits/audi/a4/1-8t/2002/audi-a4-1-8t-150hp-163hp-2wd-2002-stage-1-upgrade.htm