GregO
Well-Known Member
Being you have a 2015-17 Mustang the GT350 manifold is plug and play.Just looked, they're all about $330 to $350. If a GT350 intake is $520 and it flows better, isn't it better to get that one?
To get around the 87mm GT350 throttle body you could use the VMP TB adapter and retain the 5.0 80mm TB and that takes modifying the throttle tables off the list for your tuner.
Being you’re using a centrifugal compressor I’d think there’s merit in not locking out the IMRC.
If you find a tuner worth their salt the 87mm TB and GT350 manifold has a beautiful power curve and doesn’t drop off much power after the peak like the 18+ does.
Wengerd is one of a few who seems to have a real handle on getting the 87mm TB to work as good as Ford Performance.
Ditch the 15-17 manifold, the IMRC shafts are plastic whereas the GT350 is a steel shaft.
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