Came with the car. Not great HP gains (circa 150bhp), but sounds nice, is smooth on part throttle and idle.<br /><br />In summary, probably not worth the money if you are after big bhp; but a well thought out upgrade and certainly worth paying a little ex · 11/09/06

Lost 5lbft at 4000rpm <img src="style_emoticons/<#EMO_DIR#>/sad.gif" style="vertical-align:middle" emoid=":(" border="0" alt="sad.gif" /><br />Gained 14hp at 6500rpm <img src="style_emoticons/<#EMO_DIR#>/smile.gif" style="vertical-align:middle" emoid=":)" · 06/09/06