All Things Mk5 > Performance Modifications
Pre Cat removal
aslz78:
Still not sure if i'm quite brave enough for this mod yet!
GTI-Ross:
--- Quote from: aslz78 on December 10, 2012, 06:11:58 pm ---Still not sure if i'm quite brave enough for this mod yet!
--- End quote ---
Easy as pie mate, just set a side a max of 3 hours (just in case), and just make sure you have the correct tools and you will be fine.
Timvgti:
I'm planning a pre-cat removal 'groupbuy' on the Dutch GTI forum (because I know a good company/guy that wants to remove them for a very good price, included new gasket).
I've heard that sometimes the engine light goes on, especially with cold weather/cold engine. Is this true? Who has experienced this problem (with a stock mk5 GTI, only ABT remap)?
zerolag:
I've run the pre-cat delete for some time now, and never had a warning on the dash. Stock or Stage 1 map. Removing that pre-cat brick wall really helps the turbo out I feel, lowering the turbine temps has gotta to be worthwhile for longevity.
For those wanting to do this, just make sure you get some penetration oil / spray - job is tonnes easier on a lift :)
Grab a new gasket too, think they are about £4-£5 from VW.
Timvgti:
--- Quote from: zerolag on January 14, 2013, 04:10:37 pm ---I've run the pre-cat delete for some time now, and never had a warning on the dash. Stock or Stage 1 map. Removing that pre-cat brick wall really helps the turbo out I feel, lowering the turbine temps has gotta to be worthwhile for longevity.
For those wanting to do this, just make sure you get some penetration oil / spray - job is tonnes easier on a lift :)
Grab a new gasket too, think they are about £4-£5 from VW.
--- End quote ---
So you've never seen the engine management light? Also no with these winter-temps?
So no downsides for this mod?
Have you also noticed a better fuel consumption?
What's the most noticeable? -> The quicker/better gas response? The sound? The fuel consumption? The bhp?
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