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| First Generation MINI Tuning Tuning the first generation MINI 2001 - 2006 |
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| From what I have heard, the JCW manifold invalidates the BMW warranty. So, you may as well go for the Milltek manifold as it is equally as good and half the price. I think it adds about 10bhp for £500, but more importantly it really wakes the exhaust up. I too am wanting this modification. I too have a brand new Works 210bhp. My reg is not far from "W8RKS" ![]() Too many mods to list, PM me if the cat needs killing... |
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| hmmm... having looked at the jcw manifold and the miltek one i will probably get the jcw ...it is a 4-2-1 system rather than the miltek 4-1...( a 4-2-1 produces better power) i spoke to jcw today and they have a done at fitting like this today and they have said it really opens the car up further! my mini cooper works s is good but not as good as my modified vx220...yet! chilli red cooper s works (s2677) with r90s wheels full body kit, jcw suspension, jcw manifold and 210 upgade!! and a brill number plate( see my call name!) |
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| 4-1 or 4-2-1 manifold Having now heard this (new news to me) I need to be convinced this is fact and what the details are behind this concept. Milltek are very well known for great manifolds amongst other things, but if their 4-1 is not as effective as the JCW 4-2-1 then this is of concern to me. I am after the best product for sound and performance, and if for the sake of an extra couple of hundered quid this is to be the 4-2-1 system, then so be it. ....but i need to know. Anybody ??????? ![]() Too many mods to list, PM me if the cat needs killing... |
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| Here's a good read It's short and about Miata headers but the engineering is the same. In a nutshell 4 into 1 are better at high RPMs and 4-2-1 are better at lower rpms. There are a lot more variables. Tube diameter, length, collector length, etc. |
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| It was my Cooper S at John Cooper Works having the conversion from 163 to 210hp and the motorsport exhaust fitted on November 30th. Kevin ( great guy ) @ JCW advised the 4-2-1 with the motorsport cat but with the 210 silencers. I agreed on the understanding that, if when i collected the car, i did not like the sound the motorsport silencers would be fitted whilst i waited. When i returned to collect the car i listened to; Standard S Too quiet 210 conversion Better S with full motorsport Great but too noisey for road. My system Fantastic more noise and a much better tone than the 210 I drove back to Newcastle and on the motorway at cruising speed, about 80-85mph.,could notice only a slight difference to the standard exhaust.The noise under full throttle is wonderful. It gives a slight pop when changing up but i have yet to hear any pops on overrun. JCW said the car performed better than the 210, possibly by 10hp, but i am unable to judge. One interesting point is that from Newcastle to Worthing the OBC registered 34.1mpg and on the way back 39.2mpg.My OBC read about 10% high.This could be down to weather factors but it will be interesting to see how my normal OBC reading of 31.3mpg is changed by the conversion. |
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| well.... i have decided i am going to get the jcw manifold fitted on saturday along with the 210 upgrade! i shall ask about other bits whilst i am there my mini cooper works s is good but not as good as my modified vx220...yet! chilli red cooper s works (s2677) with r90s wheels full body kit, jcw suspension, jcw manifold and 210 upgade!! and a brill number plate( see my call name!) |
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| I contacted Ray at West tuning and he said that the Milltek was the best manifold they had tried from 9 or 10 other makes. This was in response to the question - "Is the JCW manifold better than the Milltek?" You can't give a straight answer to that for obvious reasons, but I think he is hinting that the Milltek is better then the JCW. Better in what way though - noise or power??? How are people finding the issue of warranty after fitting a non-stnd manifold - JCW or otherwise ??? ![]() Too many mods to list, PM me if the cat needs killing... |
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| LMB no problem if you can arrange. The cost was the difference between the JCW motorsport complete exhaust system cost and the S cat back system. It ended up at an extra £665. Well worth it in my opinion. |
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