obx is crap. go to 7thgencivic.com dude. sign up and learn. =D people had obx and it cracked. go to dezod.com and they have some awesome manifolds. their located in coral gables. i know the owner personally. his name is paul. go to 7thgen and pm him. his name is dezod on 7thgen. tell him i sent you 1siksivik or simmy and he will hook u up for a cheaper price.