I have a stock 86 gt 5spd and i am trying to decide to buy a cobra intake. i can get one shipped for 265 dollars just needs a little cleaning. would that really be worth it with my stock engine and e6 heads. i plan on swapping heads to a set of e7's or trick flow's later on down the line. also what size throttle body is required for the cobra intake? right now i have the stock 58mm i believe and i wanted to go ahead and upgrade to the 65mm but i heard somewhere the cobra intake only took 70mm throttle body's. thanks, bryan