i was just wondering if its a good idea to prep them without header/manifolds in the car. it seems like with out them there, you dont have an idea on how much clearance to give(just tryin to get things out of the way so when the headers get here, i will just need to install those)

 

yea it could be don'e that way.. isn't any easier really.. but it would help to have a header there to mock up the bends and such if you have to transverse any primary's..