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 Posted: Wed Nov 20, 2013 12:59 pm |
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Joined: Nov 17, 2013
Posts: 9
Trade Rating: 0
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Hi, I've got a sportex twin 2.5" back box on my xsi and was thinking of adding to it soon and was thinking a race tube, decat and possibly 4-2-1, I can get a race tube from sportex for an alright price but can't seem to find and good and reasonable decats? I just wanted a simple bolt on/off (for MOT purposes) anybody know where I can get em? Also is it actually worth getting a decat and/or 4-2-1?
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Posted: Wed Nov 20, 2013 2:15 pm |
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Joined: Apr 26, 2010
Posts: 5489
Trade Rating: +12
Location: Herts/London
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I wouldn't decat anything in a 2.0 na or a 1.6 turbo.
Speaking from experience my car had better gains running a high flow car system then a decat.
If you really do want a decat and professional exhaust fabricator can make you something up using quality stuff.
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Posted: Wed Nov 20, 2013 3:15 pm |
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Joined: Nov 17, 2013
Posts: 9
Trade Rating: 0
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Yeah may just stick with a centre pipe just for a little bit more growl, would it make much difference? If I went sportex
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Posted: Wed Nov 20, 2013 4:41 pm |
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Joined: Apr 26, 2010
Posts: 5489
Trade Rating: +12
Location: Herts/London
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Don't know sportex much to be fair,
The key thing to remeber is you car can only breathe out as well as it breathes in.
So if you haven't done panel filter upgrades etc a exhaust isn't going to make a huge difference alone.
A well made custom one can see slight gains and better response on throttle etc but nothing huge.
As my wip said I had a 1.4 16v sport and done the whole thing from race land mani to remap and only got around 11 or 12 bhp increase
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