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Author Topic: Downpipe question  (Read 1552 times)

Offline RS6BRIT

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Downpipe question
« on: December 26, 2011, 02:31:52 pm »
I've fitted all the parts ready for stage 2+ now, with the exception of a 3" TBE. The plan is to fit the downpipe (3" decated) and mate it to the the original exhaust for now, but the question is when it throws up a CEL due the to the lack of CATs will it go into limp home mode ? It will be a couple of weeks before I can get it Mapped so dont want to drive around in limp mode for obvious reasons.

The overall plan is to clone Mikes motor :notworthy: without the CH's (not my bag) but everything else as it looks the nuts !!

cheers for the help chaps, and i have searched but the search function doesn't recognise CEL which is a bummer.
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LEON CUPRA FOR SALE

Offline vRSAlex

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Re: Downpipe question
« Reply #1 on: December 26, 2011, 03:09:38 pm »
It won't go into limp mode with the decat, but it will throw up a light.  This won't cause any problems and will be perfectly fine to drive.
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Offline RS6BRIT

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Re: Downpipe question
« Reply #2 on: December 26, 2011, 03:47:38 pm »
Just what i wanted to know, cheers mate, top man  :happy2:
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Offline Marshall

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Re: Downpipe question
« Reply #3 on: December 29, 2011, 10:45:48 am »
How did you get on? Have you fitted your decat yet?
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Offline RS6BRIT

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Re: Downpipe question
« Reply #4 on: December 29, 2011, 03:22:42 pm »
Yep, I sure did. Went a breeze, took me about an hour and a half. Ironically the tough bit was supposed to be the bolts that hold the top flange to the turbine housing but infact the biggest PIA was the little ones on the sleeve where the mid section meets the back section !! I had to heat it up and bang on a 12mm socket to get it off.

Still it makes a huge difference, freer to rev and spools much quicker. The sound is nice when rev'd with a little popping on the over run. Not noisy when driven, but more raspy under WOT.

My CEL came on after about 50 miles, will probably grab a cel fix for now whilst i gather pennies for the remap.   
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Offline Marshall

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Re: Re: Downpipe question
« Reply #5 on: December 30, 2011, 04:45:25 am »
Glad it went well. An o2 spacer may work on your downstream lambda. Worth a shot considering there fairly cheap.

Sent from my HTC Sensation XE
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Offline RS6BRIT

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Re: Downpipe question
« Reply #6 on: December 30, 2011, 10:45:04 am »
Thats the plan, £20 will sort it for now.

On a separate note I'm putting the map on hold as i found yesterday the one of my rims is cracked in a couple of places :sick: so thats another rim to order and then they'll need refurbing as mine are anthracite and they only come in silver !!

Such is life I guess :sad:
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