Ram air Modification - YZF Thundercat specifically

[Banger]

Has anyone, or does anyone know someone who has, successfully removed the diaphragms / feed funnel set up on a Ram Air fed bike ? Thundercat in this case, which I want to fighter, following a recent prang.

I have done lots of reading on various sites of the negative effects of straight removal of the Ram Air induction parts.
Many recommend an Air box mod that involves routing the central carb breather pipe back into the front of the airbox and claim this counteracts the lousy engine performance caused by removal of the Ram set up.

Wondering if anyone on here has any experience with this mod as opinions online of its effectiveness are conflicted . . or indeed whether there will be much effect on performance with air just flowing through the frame ports alone.

The other option is whether I could fit the funnels from something like a Speed Four to get around the issue.

Any and all input / thoughts / info will be appreciated.
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You only get one lap of lifes track . . . . so make it a fast one !
Yamaha . . Keyboards to biking nirvana.

[el_oso]

[Major Doss]

lousy engine? hmm. fookin' quick if I remember right, for a 600.
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Antisocial phucker.

[jjdugen]

True 'ram air' on a carbed bike is extremely difficult to do. Its not just a case of forcing air into the airbox and balancing the overpressure with breather tubes into the airbox, that is just advertising bunkum. Done properly, the whole fuel system has to be a closed chamber and that includes the tank as well. Last time I looked, the T'cat has a normally aspirated tank. (As do the Kawasaki's et. al).
With fuel injection, however, you can make gains by force feeding the throttle bodies with pressurised air.
What I think you are referring too is is the removal of the airbox, usually replaced by 'pod' filters. The airbox is a vital and integral component of the engine as a whole and should be retained.
That's not to say that some airboxes don't have restrictors in them, usually for noise testing reasons. These can be discarded or altered.
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[Banger]