T3 flange vs T4 flange spool difference

T

TRO23

New member
I was wondering whats the difference between having a t4 flange over t3 Flange ? does it affect the spool ? ( of course the manifold is different) . just out of curiosity
 
depend on a/r, if it is sized right for your application you won`t notice difference on spool-up but you should gain power from lesser restriction
 
the other main raison why to go t4 is for the divided flange that is not available on the t3 model !
 
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