what would my ex make?

i have a 2003 400ex and i have a pro circet slip on,k&n air filter rev box,no air box lid,and a 14 tooth front sprocket if that make's any dif

and what do you think i will have after my build is done

i will have a pro circet header pipe,416 kit,stage 2 hotcam, ported and polished head and a 42 mm 450r carb along with all the stuff i alreddy have

35hp is what you will be around. That is if your jetting is dialed in.

I'm getting ready to drop in a STG 2 HC and see if I can get 45 out of my 440. What compression are you running?

i will be rinning 10.1 compression