Its this too big to build an IM for a big bore VE
Velocity Stack dimensions are : Overall Length of 130mm and Base to Tapered Length 30mm. Top outside diameter of 104mm and inside diameter of 72mm. Base inside diameter of 50mm. Spun from 1.6mm aluminum.
This and the OEM flange cut for a total runner length of 7.5in
Do you guys think its too much tapper for a 2.3 with all the goodies including kelford 184-c...