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Old Feb 20th, 2014, 08:36 PM
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JCW exhaust, help needed.

Hi guys, need to replace my exhaust as my standard one is blowing, the car has the jcw aero kit fitted with jcw exhaust tips.

Now I'm wanting to get the jcw exhaust but I'm a little confused as to what I need to do this?

One company has told me I need just the back box along with tips and clamp to connect the front pipe to the jcw back box.

Where as another company has told me I would need all of the above plus a new front pipe which would result in spending an extra 258?

Last edited by Dazza88; Mar 1st, 2014 at 09:02 PM.
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Old Feb 20th, 2014, 09:32 PM
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RealOEM - R53 JCW Tuning Kit Parts

What reason is the one company giving for replacing the Center Silencer?
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Old Feb 20th, 2014, 09:58 PM
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Quote: Originally Posted by Caveman (original)

What reason is the one company giving for replacing the Center Silencer?

They are saying that the jcw back box won't fit the standard cooper s front pipe unless you replace it with the jcw one?
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Old Feb 20th, 2014, 10:20 PM
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My bad ...

Thought your car had the JCW Tuning Kit.

MCS stock exhaust is one piece, so you need to buy both front and rear silencers and the clamp.
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Old Feb 21st, 2014, 04:28 PM
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Quote: Originally Posted by Caveman (original)
Thought your car had the JCW Tuning Kit.

MCS stock exhaust is one piece, so you need to buy both front and rear silencers and the clamp.

Hi Ya

you are correct but the went to a two piece rear system for ease of repair
RealOEM.com * BMW R53 Cooper S Exhaust system, rear

Dazza

you can fit the rear section of the JCW system with the standard mini cooper s second section ( from the cat back ) it can be cut just forward of the bend before the rear boxes, see link below item i cut at bend before rear box so you basically have a straight pipe.
you can fit the rear back boxes from the JCW exhaust you will need to expand the pipe so it slips on to the JCW back section easy job.
the cat back JCW has a resonator fitted in the centre where as the MCS has a straight throw pipe no biggie

is your system a standard MCS with jcw tips or is it a JCW system
also where is it blowing because there are other options staying with mini parts

look under the car does it look like this

RealOEM.com * BMW R53 Cooper S Exhaust system, rear

or

RealOEM.com * BMW R53 Cooper S JCW Tuningkit 210 HP

let me know


hope this helps
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Old Feb 21st, 2014, 08:44 PM
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Quote: Originally Posted by marque (original)
Hi Ya

you are correct but the went to a two piece rear system for ease of repair.

Dazza

you can fit the rear section of the JCW system with the standard mini cooper s second section ( from the cat back ) it can be cut just forward of the bend before the rear boxes, see link below item i cut at bend before rear box so you basically have a straight pipe.
you can fit the rear back boxes from the JCW exhaust you will need to expand the pipe so it slips on to the JCW back section easy job.
the cat back JCW has a resonator fitted in the centre where as the MCS has a straight throw pipe no biggie

is your system a standard MCS with jcw tips or is it a JCW system
also where is it blowing because there are other options staying with mini parts

let me know


hope this helps

Thank you for your detailed reply

The exhaust I have at the mo is the standard mcs system with jcw tips fitted. It is blowing on the second back box (item 2 on diagram) all around the seal that looks like it joins the top and botom half of the box together.
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Old Feb 21st, 2014, 09:18 PM
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Quote: Originally Posted by marque (original)
you are correct but the went to a two piece rear system for ease of repair

RealOEM.com * BMW R53 Cooper S Exhaust system, rear

By one-piece I meant between the cat and rear silencers.

If you're replacing part 2 on the stock system you might as well make it a "one-ball" exhaust.

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Old Feb 22nd, 2014, 09:24 AM
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Quote: Originally Posted by Caveman (original)
By one-piece I meant between the cat and rear silencers.

If you're replacing part 2 on the stock system you might as well make it a "one-ball" exhaust.


cool no problem :-) same page different direction :-)

Dazza

if you have the standard system you can buy item 2 and 16 (on the real oem link) on its own you can fit it to the rest of the system as is or do the one ball mod. if you don't want to buy new speak to MJR "mini matt"

http://www.mini2.com/forum/first-gen...-99-total.html

MiniMatt|BMW|MINI|Modifications|Parts|Spares|Servi ce|Tuning|Repairs|Racing

just ask them for the back box. tell them you are doing a one ball mod they will know what you want

RealOEM.com * BMW R53 Cooper S Exhaust system, rear

people like GTT do the link pipe for the one ball mod (one ball mod basically delete the the first box so you only run the second )
but any good exhaust place will be able to do this for you with ease i have used long life before.



hope this helps
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Old Mar 1st, 2014, 08:57 PM
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Hi guys, bought a complete second hand jcw car back exhaust and went to fit it today, all went smoothly and very simple untill I went to remove the 2nuts that joins the cat to the front pipe, got one nut undo using a 9/16 spanner but the 2nd nut is already round. Going to be using mole grips tomorrow to remove it but now need a new pair of nuts, does anyone know what size nuts these are?
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Old Jun 2nd, 2014, 09:26 PM
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hi guys just a quickie i have 2003 cooper s jcw tuning kit with standard pipes if i did the one ball mod would i need any re tuning done ?????????
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Old Jun 3rd, 2014, 12:37 AM
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Quote: Originally Posted by tukmonster (original)
hi guys just a quickie i have 2003 cooper s jcw tuning kit with standard pipes if i did the one ball mod would i need any re tuning done ?????????

I wouldn't "one-ball" a JCW exhaust.

If you want more noise remove the center resonator or fit an exhaust manifold with a sport cat.
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