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twin dump vs. single dump

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Old Aug 11, 2002 | 04:12 PM
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darkblueturbo
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From: Essex!!
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I was thinking of the scoobysport open neck (as I've already got that at the other end, to match up as barge says)

But if toolmaker is right about the twin giving better torque then that's where I'll head. Might also match up with the T75 high-flow cat, rather than the standard.

If I did get both T75's how would they work with my existing BB? Or should I just go straight through with scoobysport (ARGH! Emissions!)

[Edited by darkblueturbo - 11/8/2002 4:13:42 PM]
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Old Nov 8, 2002 | 03:33 PM
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From: Essex!!
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am looking at getting a down pipe to complement my existing ScoobySport back box on MY00 UK.

Have seen two options, the first being the scoobysport DP, to match the BB and the other is the twin dump T75 from powerengineering.

Can someone please explain how these differ (yes I know one has a single pipe and the other has two pipes). What is better for bottom end response. I'm looking for more driveability rather than all out power, hence the appeal of a de-cat downpipe, so the turbo spools up at lower revs

Thanks
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Old Nov 8, 2002 | 03:58 PM
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Wink

The open-neck pipe gives more power, the twin dump with two pipes is better for torque.

Or something like that (it maybe the other way round).

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Old Nov 8, 2002 | 04:07 PM
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go for the scooby sport 3inch open nect single dump job

Will complement the rest of the system
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Old Nov 8, 2002 | 04:50 PM
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From: Hampshire
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I don't believe there is any difference between the 2.

When me and a friend had the same setup - him full SS and me full Magnex (twin dump dp) we had almost identical RR figures, same day, right after each other.......
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Old Nov 8, 2002 | 07:39 PM
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ustolemyname??stevieturbo
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From: Norn Iron
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IMO the T75 is a 'bit' overpriced, and despite PE's claims that other twin dumps dont fit correctly, someone on here recently got a T75, which didnt fit, maybe it was a one off though.
Either way, If its a twin dump you are after buy a Magnex. Same thing, excellent quality, fits perfectly, and costs half the price. approx £180. maybe less in some places.
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Old Nov 8, 2002 | 11:45 PM
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From: From Kent to Gloucestershire to Berkshire
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Been a lot of debate about which is best and no definitive answer. General gist - there isn't a lot between a good one of either, but fit any type and it will be a big improvement.

If you wanted to go that route, you could fit a sports cat PE centre section to any downpipe that is "modular", which includes the scoobysport or magnex. Or you could keep your centre cat, or you could put in a de-cat centre section and sod the emissions.
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