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How To Modify R33 Gtr Airbox To Get More Air :)


Daz
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Hi all,

I have heard that there are ways to modify the standard GTR airbox's to get more air into them.

I want to keep the factory look, has anyone done something? Has it worked? how have you done it?

Thanks

D

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Do you have the attachment that connects the box from the RHS into the guard?

If its the same as the 34 GTR, there will be a cover on the inner guard side of this attachment. You can take this cover off to increase air intake.

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Power level is 422rwks, on 19psi.

Just changed to bigger twins and want to chase 450+ rwks

Why does that matter??? I just want to know how to modify the thing

So you're making 422RWkw with a completely stock airbox? - Good to know!
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  • 1 year later...

Yep removed that already, anything else I can do? :)

Hmm I might be able to cut out a much bigger hole and a custom larger pipe into the guard :)

I found that the stock airbox was becoming limiting around 500rwks so I need to custom make something however still need to retain the standard appearance :)

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Whats your current power level and mod list?

Power level is 422rwks, on 19psi.

Just changed to bigger twins and want to chase 450+ rwks

Why does that matter??? I just want to know how to modify the thing

It may matter to you that Piggaz car has made a genuine 470rwkw with a standard box and NO modifications. So he MAY have saved you some time and energy
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The engine side of the gearbox you can modify that to accept a filter then modify the snorkle to feed air over it. It ain't a 5 minute mod though. I don't know the part number for the filter. Haven't gotten that far.

Also tickle the alloy pipes that bolt to the comp housings. I've sent you those pics before I think.

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