Originally Posted by centerforce99
So what is the going price for the header and does it have a CARB number?
It does have a valid CARB EO number stamped on it, but if you have a 99 GSR, it won't fit since it is made for the 94-01 LS and 00-01 GSR. You could make it fit by either having it modified for the longer 94-99 GSR cat, or by running a 00-01 cat.