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Discussion Starter #1
What are the pros of airbox removal for a thruxton? I have seen some dyno results on ratnet that indicate airbox removal does relatively little in terms of increasing horsepower. Can anyone tell me if removing the airbox and adding a new intake is worth the trouble/$$$? Thanks in advance!
 

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Some refer to me as a pro... others claim I'm a schmoe, so take this with a gain of salt: 5-10% increase in HP and torque is very common with the air box eliminated. More with a hot exhaust system. The billet manifolds is another matter altogether. Lots of debate about those. Personally, I think having to hack-up your side covers is reason enough to say Nah.

I think you would be hard pressed to find anyone who claimed little or no increase in seat-of-the-pants performance with the air box gone and stock manifolds.

/Mike
 

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Discussion Starter #3
Thanks for the input! I have rejetted carbs and am sporting D&D tt street pipe, the next step deciding to swap out the airbox,so any and all info is quite valued.
 

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