All Things Mk5 > Performance Modifications

De-cat down pipe

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Orc:
Dude I have a downpipe with the precat removed already off my edition if you wana buy it as a spare and still have your original?? Only want cheap moneys for it. Pm me

Nickellis1:
I think he means he has a 2nd STOCK downpipe with both cats removed.

Without mapping it in you won't really see much gain, and may run the risk of running slightly lean

chudds:
What software are you running?! On stage 2 plus iv seen a little smoke occasionally I think that's the oil seals in the turbo so some back pressure is a bit easier on them...

I have just gone 3' down pipe and decat I love it :) really frees up the turbo!

N44LED:
Hi ye just got a spare off eBay with the two cats removed on it so if it caused me problems I could change it back. But my main concern was it running lean and doing more harm than good. Was going to get a de-cat down pipe but if it was inspected it would like like everything is there that's all.

Wanted to free the turbo up that's all with out having to mapp it yet, as wanted to take it to stage 2 but not at the moment

Joshryan:
I'm running stage 1 at the moment since added forge custom intake and a 3" decat downpipe ready to go stage 2 but I'm going to wait until I get autotech hpfp internals and maybe a fmic, so I'm going to be running the mods without another map for a couple of months. Not having any problems with cel light on if that's any help mate.

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