i don't remember exactly i would guess $150 plus shipping plus the cost of the manifold. this is just easier. maybe you should just make an offer to buy mine. send me a pm
I had this F23 manifold ported by Polarbeartuning. They fully ported the runners and port matched the throttle body to the maximum size possible, can't remember if its 60 or 62 mm, but either way plenty. If you're running an F23 you'll be better off with this size than going too big anyway...
Re: Kaizenspeed Balance Shaft Eliminator Kit! 6th GEN ACCORD $110 !!
reduced drag on your motor = more horsepower ~ it takes some power to spin the balance shafts. balance shafts are unnecessary if you're car is modded, but if you're car is in stock form you might as well run them because...