Am finishing up a GSXR intake at the moment. Someone was asking about GSXR intakes end of last week that I replied to, might have been you. Will check my spam to see if anything ended up there.
As far as good info, a dyno graph showing the gains you can expect without spending additional money on tuning, a ton of customer feedback, race results, championships won. click on the link below to see over 50.000 reply's to my main sales thread.
http://dwarfcarracing.com/forums/sho...locity-intakes
Thanks, Monte