im not 100% sure if its the k03 or k03/s some say its the s but others are saying its not.. im new to turbo cars and still need alot to learn! its got a printout with 237bhp but i thnk its more around the 200bhp mark, thats comparing it to a few similar cars.. i think im going with the k300 turbo now as i know a freind that rebuilds alot of VAG turbos so i trust him! im looking for 260 bhp after everyting is done.. ill be happy with that, it wont be the quickest golf but it will be quick enough!!