I think everyone heard so many bad things about them, that it scared them off. But now that people are getting them and loving it, people jump on the bandwagon. Ive had nothing but good experiences with the UR pulley when i purchased one for my cavalier over a year ago.....i just waited till i had all my other bolt-on mods done to the P5 before i decided to go for the pulley.akhilleus said:why is it that recently the unorthodox udp has been very popular. I have had mine for over a year... and when i got mine everyone was like whatever about it.