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Hi all.

I've just recieved my Coby D12 exhaust manifold and whilst i'm eager to fit it, i want to replace the rest of the system.

I've had an aftermarket back box before but found i lost to much back pressure so my current set up is the standard system with a de-cat.

Just wondering if any of you guys can reccommend what the best system is to go with on the N/A's or what you've fitted and works well?

Also, does anyone know if there are down pipes from the manifold to cat out there for the N/A?

Any help on this will be greatly appreciated.

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https://www.sau.com.au/forums/topic/235272-best-exhaust-front-pipes/
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to be honest the gains between various exhaust systems on an NA system will be marginal, you might pick up 1-2kw here or there.

any 2.25 or 2.5" mandrel system will be beneficial - i wouldnt recommend any larger

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