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Post Info TOPIC: exhaust sizing


Kemptville Ont Carpenter/Renovations

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exhaust sizing
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Just starting to play with this idea.  My header collector is 2".  Should I continue with a complete 2" exhaust or go bigger?  Motor puts out 400 hp and the same in torque.



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Race starter St.Thomas Drags Rod-side Aylmer On Member

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Marten wrote:

Just starting to play with this idea.  My header collector is 2".  Should I continue with a complete 2" exhaust or go bigger?  Motor puts out 400 hp and the same in torque.


        See what 'room' you have for 2 1/4   2 1/2 .Going over the rear axle? Or out the side in front or behind back wheel? More things to consider/             examine smile

 

 

junior      



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Prince Edward County Ont

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The factory never saw any need to go over 2" on their dual exhausted high HP engines. Unless you want the rattle can sound. A couple of Porter mufflers would make it sound great.

Warren

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Tin basher Metal shaping guy

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2-1/2"

https://m.roadkillcustoms.com/determine-proper-exhaust-tubing-size/



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Prince Edward County Ont

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Going from a 2" collector to a 2.5" pipe will act like a megaphone. Collector should be 3" into 2.5" pipes.
Warren


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