What size engine for the online/Youtube EC?

1 more plenum and then the intake exits passenger first

817C8EB3-B833-4D1B-9F53-14FF6A103771.jpeg

9404DBC2-487D-4354-827D-4CD8468BBEE1.jpeg

A0C590C2-1B13-4597-9828-AD57202223D9.jpeg

4BC2DB77-4238-43D5-9BA7-9266659E6DFB.jpeg

023FAD2F-C6C1-4CB3-B891-A103993C3749.jpeg

D94DB324-4E08-4546-9E74-63108F61D390.jpeg

FC745436-1476-490C-B80D-001D3CA985B9.jpeg