Milltek Down Pipe - to cat or to decat, that is the question!!

Boydie

S3 8V DSG
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Guys,

I have the option of purchasing a Milltek Down Pipe

Decat at £365

Sports Cat at £626

Althought cost is a big factor, what are the issues with having Revo Software and decat?

What about MOT failure and having no cat?

How loud are we talking with decat and a non-resonated exhaust? (I am considering a resonated centre section)

All help appreciated

Thanks