i know you do his head in and others buts thats just fun,we r talking throttle bodies here lad not heads,mr DJ who also done a good number on mine,but like most things there is room for improvement in some compartments but it doesnt come cheap,been in steves car,doesnt fart cough splutter or spit,nice and smooth cant think of anything better,think you will want it done to your piss wagon one day so start saving your euros.well worth a look,and you wont have to keep popping into your local garage to fill up,im probably getting 10-15 to the gallon at the mo so should be a nice improvement,does sound nice though got to admit