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Tazman861

Exhaust size with supercharger

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Hi all,

 

I’m looking at upgrading my exhaust and was after some input.

 

M54B30 with G power supercharger.

 

I have some headers which I’m going to modify to clear the lower steering shaft. I’ve already fitted 328i manifolds to remove the cats. So I have to keep some sort of cat in the exhaust system, I was looking at fitting M3 sports 220 cell sports cats and M3 centre pipe. They should easily fit as my car (a coupe) is the same underneath.

 

The centre section would mount to a custom back box in the normal place - for a 330ci (not an M3 box!!)

 

The system is twin 2.5” stainless.

 

Does anyone have any input regarding how this would help or hinder the performance

 

Thanks

 

 

Sent from my iPhone using Tapatalk

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