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Did adding your prodrive back box .......

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Old Sep 12, 2001 | 01:14 PM
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bumcrack
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Cool

increase the power on your Impreza turbo.

I'm looking to increase performance,without spending a forture or loads of boy racer noise.
The exhaust seems the best place to start.
Thinking of prodrive or Remus backbox
What else can I do?

The crack

[Edited by bumcrack - 12/10/2001 7:02:21 PM]
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Old Dec 9, 2001 | 03:02 PM
  #2  
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In my opinion downpipe first at all!
JIM
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Old Dec 9, 2001 | 07:15 PM
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I put on a WR Sport back box a few months back, and although the power increase is marginal, the car definitely seems to pull more cleanly from low revs and seems a bit smoother at the top end too.

There's a good bit more bass at idle, but overall it's not too loud. Although the wife claims the kitchen window vibrates when I pull onto the drive.....
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Old Dec 10, 2001 | 10:44 AM
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I think changing the backbox probably makes the car feel faster, without actually making much difference! Top end much better, though.
I've tried (well, got) both the prodrive & remus BB, but attached to a catless setup (so the big performance jump comes from the DP ). The remus is cheap & made of mild steel but build quality is excellent - it's quiet at all rpm & manages to almost produce a refined sound somehow. Zero drone on the motorway, nice deep burble when pottering, sort of splattery when pushed. The prodrive is stainless, pretty quiet while pottering, very nice (& loud!) when pushed - a little drone on the motorway but not bad at all.
Both are good but depends what you want - the obvious benefit of the remus is it's half the price! But I use the prodrive unless in switzerland...
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Old Dec 10, 2001 | 10:50 AM
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You might want to try an ITG panel filter from scoobysport too. Performs better than the standard filter and not max-power noisy.
Ta
Chuck
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Old Dec 10, 2001 | 04:38 PM
  #6  
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Cool

Thanks for the advice so far.

The first thing I did was replace the filter with the ITG panel filter, don't think it made much difference really though.
Booked in to have the bump steer mod done at TSL.

Keep it coming.

The crack
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