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Part decat to full decat....Noise??

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Old 17 February 2003, 12:07 AM
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akshay67
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OK,

Fitted the magnex centre pipe (in addition to SS back box which was already there).

Best bloody £55 spent - can hear the flat floor buzz properly now. The car also seems to pick up faster.

So next step...Downpipe (magnex seems nice and cheap)

Will there be a massive increase in loudness?
I have a VTA dump valve - will that give me flames on gear changes? I dont want to burn cars behind me or get arrested!
Old 17 February 2003, 09:54 AM
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NickAdams
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Downpipe does add more noise (Obviously).What you haven't stated is what year your car is? I'll assume MY01> so to get flames you'll need to fully decat ie Remove the up-pipe cat too as well as the downpipe one.You'll get a nice 'whistle' off the turbo once you decat the downpipe.I decatted my 01 in stages,centre section,then downpipe,then up-pipe and the biggest noise increase (On motorway journeys) came from the up-pipe change.Having said that,it sounds awesome with the full Scoobysport exhaust that I have!!

Go for it!!

Nick
Old 17 February 2003, 10:52 PM
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akshay67
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Cheers Nick

I actually have a MY99 - so I won't be fully decated with a downpipe and centre? I have to change the up-pipe too?

Also, what are the chances of burning another car if you flame?! Is it illegal?
Old 18 February 2003, 12:26 AM
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ScoobyDoo69
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no nick was just saying that on the bugeye theres one in the uppipe, in your car theres one in the downpipe, and centre section. and i doubt u'll flame someone, they'll have to be damn close to you

ScoobyDoo69
Old 18 February 2003, 03:34 PM
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lucky_strike
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I'm looking into the full de-cat having got a PPP'ed '02 WRX but I'm just a little concerned about reliability as I do about 25K miles a year.The warranty or lack off is a problem for me (potentialyl), suppose I'm just worried about loosing warranty on a three month old car!

Chances are there won't be any problems but I'm just too cautios I for my own good I suppose.
Old 18 February 2003, 05:01 PM
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NickAdams
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Lucky Strike,
You just need to find the 'right' dealer who will take care of any warranty issues for you!!
They are out there....

Good luck

Nick

P.S: It makes a MASSIVE difference to the performance of the car once it's decatted!!
Old 18 February 2003, 10:57 PM
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Jolly Green Monster 2
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Wink

Wrapping the down pipe with heat wrap stops some of the noise in the cabin..

Where are you based?

Can take you for a spin perhaps..

JGM

[Edited by Jolly Green Monster 2 - 2/18/2003 10:58:10 PM]

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Old 18 February 2003, 10:59 PM
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Jolly Green Monster 2
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Click Notify!

JGM
Old 18 February 2003, 11:11 PM
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akshay67
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JGM

I'm based in West London - u?
Old 19 February 2003, 12:01 AM
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Jolly Green Monster 2
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Midlands most of the time and Kent at weekends..

Derby is a bit of a trek up to just to hear the exhaust...

You could ring me and I'll take you for a spin on the mobile??

Off line until tomorrow night now though..

JGM
Old 19 February 2003, 11:46 AM
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lucky_strike
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Nick - I see you're from Cheshire, I'm North Wesat based myself (Accrington)....you have a friendly dealer that may be close enough for me to try?
Old 19 February 2003, 02:24 PM
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Lucky Strike

YHM
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