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Author Topic: De-cat Downpipe Help.  (Read 2523 times)

Offline Jaywoo-GTI

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De-cat Downpipe Help.
« on: April 20, 2011, 08:47:38 am »
Does anyone know where i can buy a de-cat downpipe?
I dont want a high flow cat system as have no need for a cat and have seen better gains with a full de-cat.

Post up with some links please.
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Offline E30Dom

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Re: De-cat Downpipe Help.
« Reply #1 on: April 20, 2011, 11:53:18 am »
Quote from: Jaywoo-GTI on April 20, 2011, 08:47:38 am
I dont want a high flow cat system as have no need for a cat and have seen better gains with a full de-cat.



Is it a track only car then? There's loads on ebay...
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Offline Jaywoo-GTI

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Re: De-cat Downpipe Help.
« Reply #2 on: April 20, 2011, 12:55:11 pm »
I doing a couple of track days at the end of the month and want to get it mapped to suit, then i can just drop it on when i change me wheels over.

But thanks for the input
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Offline keano

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Re: De-cat Downpipe Help.
« Reply #3 on: April 20, 2011, 01:46:35 pm »
Your best off just having a custom exhaust place chop the cat out and weld in a straight pipe.

That's what I did I would do  :grin: I only paid My super guessing brain tells me it'd cost £40

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Offline Jaywoo-GTI

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Re: De-cat Downpipe Help.
« Reply #4 on: April 20, 2011, 03:44:23 pm »
Where did you would you suggest to have it done Keano?
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Offline keano

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Re: De-cat Downpipe Help.
« Reply #5 on: April 20, 2011, 04:41:35 pm »
There is a place called Topgear Performance in Doncaster.

They are a PowerFlow franchise.  :happy2:
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Offline berg

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Re: De-cat Downpipe Help.
« Reply #6 on: April 21, 2011, 09:50:34 pm »
you can get the pipewerx de cat from awesome now, or go straight to Jeff @ pipewerx and he will prob fiit for VAT off list price  :happy2:
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Offline Janner_Sy

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Re: De-cat Downpipe Help.
« Reply #7 on: April 21, 2011, 11:14:32 pm »
alternatively you do what Jon-TFSI has done and get the std downpipe, get it cut open, de-cated and re-welded (£60 in my case).  Jon made the same power as all the other guys did with their full TBE, but with a £1000+ saving
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Offline keano

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Re: De-cat Downpipe Help.
« Reply #8 on: April 21, 2011, 11:53:00 pm »
 :happy2: :happy2:

Did john have the pre cat out too?
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Offline Janner_Sy

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Re: De-cat Downpipe Help.
« Reply #9 on: April 21, 2011, 11:56:59 pm »
the whole lot iirc.  have a look at his build thread
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Offline PDT

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Re: De-cat Downpipe Help.
« Reply #10 on: April 23, 2011, 03:58:39 pm »
I have a used Milltek full decat downpipe sitting upstairs somewhere, pm me and I will dig it out  :happy2:
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Offline tony_danza

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Re: De-cat Downpipe Help.
« Reply #11 on: April 23, 2011, 04:06:01 pm »
I got my 3" direct from Milltek, having seen some of the crap peddled on ebay and the like, it was well worth the (way less than half a sportcat DP) money.

They will ONLY sell you one for a track/race car.  :wink: Revo did me a track map to suit. 

If I were doing it again, and on the cheap, I'd consider whipping the cerntrebox, pre-cat and cat off and having them rewelded. DP = power. Exhaust = sound.
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Offline Janner_Sy

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Re: De-cat Downpipe Help.
« Reply #12 on: April 23, 2011, 07:29:21 pm »
Quote from: tony_danza on April 23, 2011, 04:06:01 pm

If I were doing it again, and on the cheap, I'd consider whipping the cerntrebox, pre-cat and cat off and having them rewelded. DP = power. Exhaust = sound.

My fabia is having that done now
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Offline 56OctyVRS

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Re: De-cat Downpipe Help.
« Reply #13 on: May 02, 2011, 10:32:22 am »
Saw your car Sy,  looks sweet in white!  Are you going to fit a Sports cat when it comes to MOT time?
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Offline Janner_Sy

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Re: De-cat Downpipe Help.
« Reply #14 on: May 02, 2011, 10:45:55 am »
i have a spare std downpipe so will swap it as and when required
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