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Premium Member
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879 Posts
Discussion Starter #1
Anyone know internal diameter of following at throttle body end

Fn2 oem pipe
Fd2 pipe
Samco silicone pipe ?
 

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Enjoying life
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8,510 Posts
Oem fn2 I think it might be 76mm, sure that figure rings a bell. Not 100% sure.
 

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Premium Member
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879 Posts
Discussion Starter #3
Thanks. Trying to establish if worth changing. Bigger isnt always better but ill get someone to do calculations
 
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