All Things Mk5 > Performance Modifications
is it wise to get a new intake but not upgrade the exhaust?
johnhol78:
--- Quote from: stealthwolf on April 02, 2011, 08:42:45 pm ---I think you need a reducer to mate it to the stock zorst.
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French, german, spanish..........which one was that :wink:
Homer:
Janner- why would I need to go to stage 2 to fit a new exhaust? I have known people to fit a new exhaust without even having a remap. Do you mean its only worthwhile if I was to get a remap stage 2? Thanks
Janner_Sy:
--- Quote from: johnhol78 on April 02, 2011, 08:33:36 pm ---Just been on the milltek website and it says down pipe must be fitted with Milltek cat back....??
What downpipes can be fitted with the standard exhaust?
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thast rubbish. Purely to make you buy the full system from them. All you need is a reducer from 2.75" to 2.5"(for the GTI 200ps) and 3" to 2.5" (k04 TFSI) is all that is required to mate it to your standard system. My Pipewerx downpipe had the reducer built in and went from 3" to 2.5". Sounded great as well.
--- Quote from: Homer on April 03, 2011, 12:28:45 am ---Janner- why would I need to go to stage 2 to fit a new exhaust? I have known people to fit a new exhaust without even having a remap. Do you mean its only worthwhile if I was to get a remap stage 2? Thanks
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When you fit the downpipe, it removes the pre-cat and fits a free'er flowing 2'nd cat. This means that the lambda sensor readings on the exhaust will be outside the normal range and more often than not you will end up with an engine management light flashing up. This doesnt necessarily mean you need a stage 2 map, as a stage 1 car can have those sensors mapped out with no issues, but if your sticking on the downpipe you may as well go stage 2 IMO.
Quite alot of guys on here have run the Miltek with a reducer with zero issues, same with blueflame and pipewerx.
martziniuk:
42DD make a spacer for the O2 sensor which will put out the exhaust cel.
alexperkins:
http://store.42draftdesigns.com/O2-Sensor-Spacer_p_306.html
I have no issues with mine either and its a TBE milltek
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