All Things Mk5 > Performance Modifications

De-cat down pipe

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N44LED:
Hi guys just wondering of any could lend a little bit of advise.

I've already got a milltek cat back but want to de cat my car I've put this off due to hassle with moting. But have since being able to get my hands on a stock down pipe but has the pre cat and cat deleted out of it so visually it looks there but hopefully a little bit more gain in power/noise.

The main thing that was on my mind was if I fit it is it going to knacker/not do it any good. With out having another remap as it's already on a stage one.

So can I fit it with out any probs or will it cause me problems with out a mapp.

Thanks for for any advise

Aled


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Wardy91-ed30:
Will be fine to fit mate. Will just throw the cel warning light up for emissions probs :happy2:

GrayMK5GTI:
Are you removing the actual cat or just the pre-cat here? It wasnt clear from your post. . .

Pre-cat wont throw a CEL or give you any MOT worries. If you remove the full 800CEL cat then as said above, you get the MOT issues and the CEL light.

N44LED:
I've got a down pipe with them both removed wanted to remove the pre cat only but found a down pipe cheap with them both removed


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asht42:
If its the ebay ones the quality is actually pretty good, but they will need modifying to fit with an aftermarket exhaust.

Bought one myself with the intention of cutting it up to add a quick change sports cat section for mot day ;)

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