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R56 Challenge Cup Exhaust...
Hi Folks. :thumbsup:
I'm over the pond in the UK and I was wondering if anyone over in the US has installed a challenge exhaust on their car yet? I have the rear muffler on order, I'm just waiting for the kind folks in Germany to release the part. I ordered it as a spur of the moment thing, but now I am worried about the noise. Its too late to cancel my order, so I will have to wait and see what its like. :cool: The full system removes the cat and rear silencer, and this clip below shows just how LOUD it really is. The picture below shows the full system: http://www.realoem.com/bmw/diagrams/o/d/254.png I have only ordered parts 2 & 5 (the clip). My thinking was that I will still have the cat and rear silencer on my existing system - so perhaps the noise wont be too much? My thoughts were that the removal of the cat and silencer are probably responsible for the majority of the noise - as heard above? Am I right? If anyone is interested the part numbers for the system are as follows: 1) Complete exhaust system: 18108308878 2) Rear silencer: 18128308919 |
Yeah removing the cat makes a big difference in sound and combined with a resonator removal it gets throaty.
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So with me going for JUST the back box (number 2 on the diagram) I should be OK do you think?
I want an increase in sound, but I don't want to sound like an idiot pulling up outside work/home etc. :) I know the Factory JCW back box gives a nice increase in sound over stock, and its louder than my JCW Stage 1 exhaust too, so I guess what I'm trying to ask is how much louder will the Challenge Cup back box be? |
Originally Posted by R99
(Post 2753147)
So with me going for JUST the back box (number 2 on the diagram) I should be OK do you think?
I want an increase in sound, but I don't want to sound like an idiot pulling up outside work/home etc. :) I know the Factory JCW back box gives a nice increase in sound over stock, and its louder than my JCW Stage 1 exhaust too, so I guess what I'm trying to ask is how much louder will the Challenge Cup back box be? |
Is the rear silencer the same as the factory JCW?
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Any updates R99? I'm very interested in this little project.
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Still waiting for it to arrive here in the UK, fingers crossed I will have it at some point this week, or next! :)
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^^ HaHa, thanks for that! :thumbsup:
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Good news! The back box is here!
I will update with pictures and video later on. :) |
suscribed
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Awesome!
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Loud is fine. But all that pop and burble sounds like crap.
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Originally Posted by bonehead04
(Post 2789588)
Loud is fine. But all that pop and burble sounds like crap.
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Update for you guys.
After some serious difficulty getting hold of the exhaust, it finally arrived in the UK - it took just short of two months to get BMW to release the part. I had it fitted, and it was very loud, almost as loud as the challenge race car. The pops and bangs sounded like a firework was going off in the garage! :eek2::cool::thumbsup: I have however had to sell it on, because I need to pay for a holiday. :no: I might get another at a later date, now I have found a source to get me challenge parts, or I may go for the Factory JCW backbox with a modified downpipe. :) |
Please tell me you recorded a video before selling! :eek:
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Im interested in your source for the part. A friend of mine has one on order also but told me that the dealers are cracking down on non-challenge cars, ordering challenge parts. He sneaked his through the barn door before it shut, so knowing where you sourced your part from would be great news.
I personally love how loud and aggressive the sound is. Way better in person though. |
A little off topic, but can you actually BUY a challenge series somewhere in the world?
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Any updates on this?
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I did not manage to get any video's of the exhaust - but IMHO it was too loud for road use. It also sounded like a tractor at low revs.
I now have the Factory JCW backbox fitted to my JCW Stage 1. It's louder on the Stage 1 JCW than it is on the Factory JCW for some reason - but its not as loud as the challenge box was. I would not recommend the challenge box to anyone who values their ear drums! Also I very much doubt that it would be road legal should you be subject to a roadside noise test. |
Thanks for that feedback..
But have you noticed any gains in terms of performance...the challenge setup is nearly a straigth line.. Have you kept the ressonator now? |
Why did you sell it when you could have just given it to me? :razz:
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Hey guys, someone on youtube just posted a video of his Factory JCW fitted with a Challenge catback.
Doesn't sound exactly like a challenge car, but it does sound good... http://www.youtube.com/watch?v=P16Io...eature=related http://www.youtube.com/watch?v=BecqT...eature=related |
Challenge exhaust
I like it! Does anyone know the manufacturer of the exhaust? I want one for a Clubman!
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That sounds about 50% quieter than when I had the same exhaust system fitted to my car. I notice his is a Factory JCW though, so thats probably why.....
As I have said before, the non-Factory JCW stage 1 and stock Cooper S MINI's, for some reason, are much louder when you fit a different exhaust. Here is my JCW Stage 1 fitted with the Factory JCW back box..... I'd say its louder than his Factory JCW with Challenge exhaust combo..... :confused: On the second video, I had to slow down, because just as I was going out of shot I passed a Police car hiding in a side road. :eek::mad: |
Originally Posted by R99
(Post 2814400)
I now have the Factory JCW backbox fitted to my JCW Stage 1. It's louder on the Stage 1 JCW than it is on the Factory JCW for some reason - but its not as loud as the challenge box was. test. |
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