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Go this question !

Goon

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I've got a really silly question and i know it is..

What makes a 2.5 pipe... the metal thickness itself? Or the diameter on the circle of the pipe?
 

Pretender

Brain function fading .
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Pajero LWB Wagon, Power/economy what's that ???
The diameter of the pipe, measured from the outer surfaces.
 

Goon

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Cheers mate..

IOU 50 dollars :p
 
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