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Trip to ATS to see my buddy
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Old 17 Jan 2009, 01:15 PM   #1 (permalink)
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Trip to ATS to see my buddy

Hi all

Went for a early morning drive today in the WRX

to see my buddy in ATS

Wanted to find out what Exhaust System my WRX wagon had

It turns out it a Very recent HKS full system...

from the down pipe to center section, then onto rear box...

My mate pointed out there is not One CAT in sight

i know this is great for power gains but not for a MOT...

I read somewhere the standard WRX is 215BHP and you get a extra 30bhp from a decta system... so could my WRX be 245bhp

So my main question is Which section could i change for the MOT test that will just about scrape through... Any help or advice wil be excellent

super Mod pete you out there


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Old 17 Jan 2009, 03:34 PM   #2 (permalink)
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Re: Trip to ATS to see my buddy

Hi Zakk.

Quote:
I read somewhere the standard WRX is 215BHP and you get a extra 30bhp from a decta system... so could my WRX be 245bhp

New age WRX had 218 as standard and yes it could be 245. You will need a downpipe cat. Then it should scrape through the MOT.

Link: http://www.subaru-impreza.org/forum/...t-diagram.html
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Old 17 Jan 2009, 05:15 PM   #3 (permalink)
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Re: Trip to ATS to see my buddy

just find a friendly garage that 'might not notice', a bit like mine lol
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Old 17 Jan 2009, 07:02 PM   #4 (permalink)
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Re: Trip to ATS to see my buddy

Hi chaps would this be wourth fitting and forgetting about!!!

SUBARU IMPREZA WRX STi RA SPORT DOWNPIPE EXHAUST DECAT on eBay, also Exhaust Components, Performance Tuning Parts, Car Tuning Styling, Cars, Parts Vehicles (end time 19-Jan-09 04:08:25 GMT)
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Old 18 Jan 2009, 09:37 AM   #5 (permalink)
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Re: Trip to ATS to see my buddy

The quality looks poor on this downpipe. "my opinion" As eddie said try and find a friendly garage.
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Old 18 Jan 2009, 10:46 AM   #6 (permalink)
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Re: Trip to ATS to see my buddy

You could also consider getting a sports cat. That way you're legal without losing the power gains of a decat.
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Old 18 Jan 2009, 11:32 AM   #7 (permalink)
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Re: Trip to ATS to see my buddy

my prob on the HKS system is

the down pipe decat is all in one.. so there is no mid pipe before the center section

so either i get a all in one down pipe... or a i get a STI/ prodrive downpipe and mid section and hope it joins the HKS system...

also my buddy said a center section cat would be so much easier to replace

but i haven't seen one..Center sports cat for the WRX

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Old 18 Jan 2009, 12:22 PM   #8 (permalink)
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Re: Trip to ATS to see my buddy

Quote:
the down pipe decat is all in one.. so there is no mid pipe before the center section

On the 2001-2002 Impreza you have 3 cats.

1. Downpipe cat.
2. Midpipe cat.
3. Uppipe cat.



This all in one HKS system has done away with the down-pipe cat and the midpipe section cat.

Quote:
also my buddy said a center section cat would be so much easier to replace
but i haven't seen one..Center sports cat for the WRX
The 01-02 Impreza center section has a resonater.
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