Vmpperformance has it for 1095.00 w/o TB
http://www.vmpperformance.com/Ford-Racing-GT350-5-2L-Intake-Manifold-15-16-GT-p/fr-m-9424-m52.htm
Levittown has it for 1096.95 with TB
http://www.levittownfordsupercenter.com/mobile/ford-racing-mustang-gt350-intake-87mm-throttle-body-p-4650.html
As far as i know and have read, they're tuned for 7500. Obviously you can take it up to 8000 but you won't see much pas 7500. Also make sure you change the opg if you take it that high
If you plan on dyno tuning it, which is highly recommended to get full potential, your tuner should fix any drive ability issues. Just as VMP is working with me to iron it all out and we're very close to zero surging, he's working on a final tune that should elminate it
Hey guys S5fifty_gt here, we recently installed the new GT350 intake manifold onto our base 15 GT coyote and ended up with some impressive results!
Here you can see the before and after as well as a side-by-side of the original vs GT350 manifolds.
The vehicle did some existing mods...