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Air box Mods

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Hi Guy's,

I ride a 525 2005 EXC and I've been looking through older posts trying to decide whether to have a go at modifying my air box, and whether its really worth it.

1) can I have opinions from guy's who have done it themselves or ridden a bike that has been modified in this way

2) can someone suggest the best way to do these mods, possibly with some photos?

Cheers,

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First off, you should post this in the KTM forum, and you will get a lot more feedback.

Second, opening up you airbox, by itself, will not do anything to improve performance, and may make it worse.

You need to think of the engine as an air pump: intake and exhaust must be modified at the same time, then the jetting changed to accommodate the extra air.

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It is my opinion that the KTM airbox is already "open enough" in terms of letting air into opening/filter/carb boot. I would leave it alone as exposing it more means your air filter will become clogged quicker.

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