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What do you think about this manifold? +JCW Exhuast?

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Old Oct 11, 2005 | 07:37 PM
  #1  
ChiliCooperS's Avatar
ChiliCooperS
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What do you think about this manifold? +JCW Exhuast?

I found this company while searching through one of my GoMINI Magazines, it seams to be pretty, PLEASE THOUGH, GIVE ME YOUR OPINION ON WHAT IS BETTER! I plan to get a JCW Kit in January (ITS GETTIN' CLOSER ), and would like my horsepower at the wheels to be around 200-210. Randy said that this is acheivable but with what else?

Also is the JCW Exhuast tips bigger in diameter than the stock exhuast?


Thanks

MIKEY



HERE'S THE PAGE CONTENTS:
GTT SPORTS MANIFOLD c/w REMOVABLE CAT SECTION (STAINLESS STEEL)

To make this the best available we have a few tricks up our sleeve. Firstly we use TIG welding throughout; this is vastly superior to MIG welding used by most. It's better penetration resulting in a much stronger, smaller, & neater weld. This takes a lot longer to produce, but we think the Mini deserves proper engineering! Secondly we use not only 1.5" tube for the primaries but 2.5"(rather than 2.25") for the secondary pipe & flexi coupler. The flange plate is machined to the exact profile of the OEM manifold gasket; no steps & no restriction. Manifolds with round holes on the top flange plate are no good at all, they however much cheaper to make. The head ports are a rectangular shape with R15 rads on the top 2 corners and R6 rad on the lower 2 corners. The manifold needs to match this, then achieve good smooth profile transition into the 1.5" diameter primaries.

Finally we have opted for a 1.2mm narrow wall tube to reduce weight, remember weight is the enemy!

The new 120CPSI high efficiency/flow sports cat is unique in that it is a separate section, flange mounted at each end between the GTT manifold and the exhaust system. This allows quick and easy changeover without removing or disturbing either part. Why would I want this? Two reasons ,one is it allows our optional GTT 'cat bypass link pipe' to be easily substituted for track days & racing, releasing more power and reducing weight in the process. And secondly it gives provision for simple & cost effective cat replacement i.e. you don't need to purchase a complete new manifold too we have seen some aftermarket sports cats failing after just 30000miles.This shows as faultcode P0420 'catalyst system efficiency below threshold' and can cause mot failure and emissions test fail. With our system should the cat eventually become contaminated, you can purchase just a replacement cat, much cheaper & much easier to fit. NB The GTT Sports Manifold / Cat can be used with most exhaust systems. Fits all petrol models.

£449+vat
 
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Old Oct 11, 2005 | 08:00 PM
  #2  
discodan's Avatar
discodan
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check out MINI2 for threads about GTT and it's owner Roland. very reputable and very popular company 'over there' the great thing is that the cat is removable and once it blows out you only replace that part. it will blow out by the way because it is only a 120 cell CAT and a lot of people with the Milltek's 200 cell CAT have been reporting the CAT failing after a very short period of time especially if you track the car once in a while. so i can only imagine the 120 flowing better but failing quicker also.
 
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Old Oct 12, 2005 | 06:12 AM
  #3  
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62Lincoln
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I agree with ^^^^, Roland and GTT have a well earned good rep across the pond. Spend some time on MINI2 and you'll see what we're talking about. Since you're getting ready for JCW, here's a good thread from MINI2 that might give you some more ideas once you have installed the JCW kit: http://www.mini2.com/forum/showthrea...ht=jcw+upgrade
 
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Old Oct 12, 2005 | 01:34 PM
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ChiliCooperS
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Thanks 62Lincoln! I was planning on modding my car just like this guy! My only problem is though, that they are in the U.K., and that there is no way of getting their download on my car. Also I would be more inclined to go with something from the U.S., anyone help find pretty much the same parts but over here?

Thanks

Mikey
 
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Old Oct 12, 2005 | 02:19 PM
  #5  
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62Lincoln
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Are you sure you can't get their download? I'm under the impression you can, but I might be wrong. It's at least worth an email to Roland to ask the question!
 
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