The rubber intake tube from throttle body to head isn't going to affect oil consumption at all. Fuelling yes, but not oil consumption.

Looks like you've a combustion leak and gases are escaping into the crankcase or oil getting into the combustion chamber. Could be you've got case of perhaps worn of broken piston rings or maybe a worn (or burnt) valve and/or valve guides. A compression test would be a very good starting point before delving any further.

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