here is the link with some more info http://www.koperformance.com/bmwshark.html
ya if you get the jim confronti intake too its supposed to be better.
Will let you guys know how it feels with just my de-baffled box.
frank, the shark injector is basically a chip you hook up to your diagnostics port under the hood and it flashes a new set of code i beilieve to do the magic...lol
instructions for installation are on the TMS site i put up earlier.