exhaust question

After modding the bike i have realized i dont have a stock header.  i have not found out what header i have on the bike.  but i had to use a custom pipe from between the header to the stock muffler.  Now the question i am wondering is since i dont have the aftermarket pipe(yoshi-og) and using the stock muffler would there be a turblance issue with using the stock pipe and the aftermarket header.  how restrictive is the stock pipe.  i am wondering that i have to much backpressure with a nice 4-1 header that is causing flow issues.  should i invest in a new system all together or would you just get a new pipe.

First off, are you trying to turn the exhaust back to stock   or are you just trying to assemble a complete exhaust?
  also do you have any pics of the header?
 
I'm running a stock header with a kirker pipe and it is awsome

no the header is aftermarket but the muffler is stock.  i think that is were i am runnin into problems

I know pipes for these bikes arn't the easiest to come by,  there was just a kerker like mine on ebay   I almost bought it,  needed some polishing but it was cheap.    I guess i'm realy no good without a look at the header

stock
http://cgi.ebay.com/ebaymotors/Exaust-Headers-1987-Honda-Hurricane-CBR600_W0QQcmdZViewItemQQcategoryZ35596QQihZ004QQitemZ140141947567QQrdZ1QQsspagenameZWDVW
 
mine minus muffler(and less beat up)
http://cgi.ebay.com/ebaymotors/4-Into-1-Exhaust-1988-Honda-Hurricane-CBR-600F-600_W0QQcmdZViewItemQQcategoryZ35596QQihZ004QQitemZ140079727538QQrdZ1QQsspagenameZWDVW

wow looks nice  trade you      anyway, I think supertrap made a header for the bike, and it kinda looks like a super on the end of the header ??