All Things Mk5 > Performance Modifications

for the guru's.... stage 1,2,2+

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th3_f15t:
From what I've seen, it makes the exhaust louder. Bare in mind running a de-cat on the street is illegal and if you crash and insurance investigate your car, they will refuse to pay out. If you want a standard sounding car but 330bhp, look towards resonated exhaust systems, these have additional silencers that reduce the noise output to almost stock levels.

ED30GTI:

--- Quote from: ED30 Fish on July 28, 2014, 05:51:16 pm ---
--- Quote from: ED30GTI on July 27, 2014, 07:46:54 pm ---Mods I've got are
Itg induction kit
De-cat down pipe
And mapped at r-tech
And on my print out it says it's a stage 1.5  :happy2:


--- End quote ---

Nice, what does the de-cat downpipe do to the exhaust note?

I like the idea of 330bhp but don't really want an aftermarket exhaust system.

--- End quote ---

It's abit louder and it got a nice burble but not overly loud , my decat is listed as a mod on my insurance  :happy2:

th3_f15t:
I didn't think de-cats were street legal (MOT failures)?

http://www.millteksport.com/exhaust.faqs.cfm (Under the heading legal)

I'm open for being corrected (although please say not as I can't afford to be dreaming of de-cat/stage 2).

Shaw:
De cats are not road legal. It's illegal to modify any aspect of a cars emission control (or something to that effect). If your car would fail an mot, it's technically not road legal despite it having a current mot.

Insurance policies also have clauses that state your car will not be covered under their policy unless in roadworthy condition.


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TommyR:
The stage really depends on the tuner as some have a 1.5 or 1+ and it also depends if your car started life with a K03 or K04...

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