Cooper (non S) Modifications specific to the MINI Cooper (R56).

Diameter of factory exhaust?

  #1  
Old 01-02-2010, 10:21 PM
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Diameter of factory exhaust?

Does anyone know what the diameter of the stock exhaust is? Im going to be making my own custom exhaust but cant figure out what the size is.
 
  #2  
Old 01-06-2010, 11:22 PM
rjtrout2000
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2 1/4 on the old cooper. I wouldn't think that they would have changed it all that much but I may be wrong.
 
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Old 01-07-2010, 12:52 AM
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Thanks. I wanted to make sure so that when i ordered my piping for the one im putting on mine it would be the same.
 

Last edited by tmo8462; 02-01-2010 at 11:37 AM.
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Old 01-13-2010, 12:19 PM
lacning74
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check out realoem.com. it lists the specific clamp sizes when you look up the exhaust parts.
 
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Old 01-13-2010, 12:34 PM
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I just happen to measure the diameter of my as-yet-unmounted-Stage1 and the intake pipe is 2.25" (or 40mm for those thinking metric, vich is vat ze Germans vould know it as)
 
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Old 01-13-2010, 01:26 PM
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Thanks already looked it up and ordered the piping for my exhaust, tired of waiting for a company to put one out! Time to fab my own! Gotta love knowing how to weld!
 
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Old 02-01-2010, 11:18 AM
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Well, I took my MINI to a local exhaust place the other day to get measured up for a custom system I'm putting together and they measured it at 1 and 7/8ths inches. So almost 2 inches...
 
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Old 02-01-2010, 11:22 AM
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Thanks Texaspaul I went with 2.25 but I have a adapter for the piping so it worked out great.
 
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Old 02-01-2010, 01:00 PM
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so you made one?.. pics / videos by chance?
 
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Old 02-01-2010, 01:07 PM
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Originally Posted by iwashmycar View Post
so you made one?.. pics / videos by chance?

a few pics video to come soon. sounds great, still not finished with it yet. hobby shop on base out here has been closed for a while so i cant get her up on a lift. to take out my 2nd cat and resonator.
 
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Old 02-02-2010, 08:16 AM
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looks good. didnt expect a muffler out there. first ive seen
 
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Old 02-03-2010, 05:12 AM
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Thanks, yeah I ordered all the piping and the muffler myself and put it all together. It's good to have such a deep back ground with machanics and fabrication, thanks to the military. LOL. Just got to wait for a day that i can get it welded together. Its a MagnaFlow muffler, I found it online and figured why not try it out and see what happens. The sound is a deeper roar, unlike a lot of the round mufflers that put out that riced out angry bee hive sound. Im happy with the out come of my creation and experimenting. At least i can say I have a one of a kind exhaust.
 
  #13  
Old 02-04-2010, 09:18 AM
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Here ya go Iwashmycar, still not a finished product yet but something to go off of when I actually do get it all the way finished. It sounds a lot better when actually driving.
 
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Old 02-09-2010, 11:50 AM
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Finished it today. Full 2 1/4 piping from cat back.
 
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Old 02-12-2010, 06:02 AM
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I am very impressed with what you've done. Only had my car a couple of weeks but I was dismayed at how many little turns and crimps (not mandrel bent) in the stock - less than 2" pipe.
 
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Old 02-12-2010, 11:57 AM
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Man, I wanna move to Spain. Does every one there drive like that??
 
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Old 02-12-2010, 12:05 PM
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No Drew just me and a couple friends in the vid the BMW and the Blue R56s in front of me. lol hahahahaha the people out here that have mini's dont drive them except for to and from work their afraid to go out in town with their nice new cars!
 
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Old 02-12-2010, 07:32 PM
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If you pass anyone here you'll get tailgated to your driveway. I've been followed and yelled at countless times after passing people doing 10 under. Its so annoying, i just wish there were more long open roads here like the one in your video.
 
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Old 02-13-2010, 03:22 AM
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Oh god Drew the roads out here are endless on how long you can drive. there are so many to choose from. Twisty and curvy roads only thing that sucks is that the Spanish dont drive to good but at least they get out the way. lol and passing is like a religion out here. There are roads out here that make the dragon look like a mc donalds play land vs a theme park.
 
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Old 02-13-2010, 03:36 AM
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Car sounds great. Thanks for serving our country.
 
  #21  
Old 02-13-2010, 03:42 AM
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Thanks fritzoc and just doing my time now and cant wait to get back to home sweet home in Indiana so I can enjoy those country roads again. I like the PS R50.
 
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Old 02-14-2010, 12:22 PM
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I still wonder what it would sound like if I had a straight 2.25" pipe from the bottom of the headers (after the 1st cat) all the way back to a magnaflow or borla muffler.
 
  #23  
Old 02-14-2010, 01:29 PM
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Drew it might just sound like mine cause thats exactly what I did.
 
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Old 02-14-2010, 07:48 PM
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Oh I thought you did it from the 2nd cat back, not the first.
 
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Old 02-14-2010, 10:04 PM
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nope I cut right at the weld in front of the 2nd Cat. so pretty much from the hangers back is 2.25.
 

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