Quote:
Originally Posted by m5rosco
They make the best decats you can get! Guaranteed to fit perfectly, and the fact they are double walled means you don't hear the common waste gate rattle that often becomes apparent after fitting normal decat pipes.
I too was concerned about flow but my tuner told me he's done hundreds of m5's, some with gutted cats, some with "proper" decat pipes and it makes no difference at all, on the dyno or the road.
The only downside is not being able to be paid for scrapping them, but if they're only making $200 then I wouldn't worry. At one point here in the UK they were making the equivalent of $1500, apparently they're around $500 recently though.
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Thanks for the response man and I agree with your points. Do you have a gutted cat on yours? The double walled keeping the waste gate rattle is definitely great, but I’m wondering if it’ll also reduce the turbo spool
Sound that comes with downpipes. If you have it on yours or have heard it how does it compare?