[Miata] - Custom exhaust piping size

[Ken Bogart]

I can't answer your question either, but I do like replacement bumper
covers and it has a geat paint color. You can see a series of pictures
by changing the number at the of the filename. (2-7)

KEN

On 8/24/07, Jim Wharton <jwr10 at comcast.net> wrote:
>
>
>
> Brad,
>
>
>
> I have absolutely no idea whether that will work or not but I like the look
> of it. Very sharp, indeed. The #3 photo really shows it off. Not sure I like
> the single wiper, though…
>
>
>
> JW
>
>
>
>
>
> I was thinking about creating a custom exhaust that looks something like
> http://tinyurl.com/3afj7w . Since I am not willing to shell out the cash for
> something already made, and because I have access to some Triumph straight
> through pipes from a Bonneville I got to thinking.  I was wondering how much
> smaller the pipe diameter can be after spitting it and not cause too much
> back pressure.  I know that splitting the exhaust will inherently give me
> come back pressure but if I go from a 2.5 ID pipe (has a cross sectional
> area of 4.9 square inches) to two 1.75 ID pipes (combined cross sectional of
> 4.8 square inches ) it should be about the same... Right?  Since I never got
> a chance to take any fluid dynamics courses in school I am a little out of
> my element so I was hoping some one with more expertise than myself would
> chime in.
>
> Brad
> _______________________________________________
> Miata mailing list
> Miata at list.realbig.com
> http://list.realbig.com/mailman/listinfo/miata
>
>