AUDI S3 8P 76MM - 100 Cell BCS Sports Cat Downpipe - WEB SALE NOW ON!

In addition, you will notice an audible uplift in the sound producing a nice sporty tone in the vehicle under acceleration. As with virtually all of the TFSi engined vehicles, there is very little performance gain to be had from the cat-back system on its own, due to the incredibly restrictive downpipe and twin OEM cats.

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