01-09-2014, 05:24 PM
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#11 (permalink)
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Base Member
Join Date: May 2013
Location: Perth
Posts: 215
Drives: 2008 Skyline 370GT
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Quote:
Originally Posted by V1H
By "matching the down pipes to the exhaust" you mean matching the down pipes to the cats/TPs, right? I understand that after that there's still the X-pipe (true dual) or Y-pipe (single), after which comes the mid-pipe, ect.
I see many (catback) exhaust sold, starting from he mid-pipe onwards. That leaves the choice of X-/Y-pipe to me. And since the inlets of the Y-pipe will be smaller than the outlet, I do have to make sure the down-pipe-catalyser-combo mates to the Y-pipe inlet, but also the catback mating to the Y-pipe outlet, right? That is a lot of mixing and matching to deal with, no?
So which sections should ideally be 3"? all of them regardless of whether two pipes merge into one (single) or not (true dual)?
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A 'catback' exhaust should be exactly that, from the cats back. Including the y-pipe. The MHI kit will bolt up to the stock cats or any aftermarket cats/tp's that sit in the stock location.
If you are sticking with the stock cats, then you just need to worry about which exhaust you like because having the turbo kit wont make any difference to fitment. I run the Fast Intentions 2.5" and couldn't be happier. The only reason to go 3" is if you want to go for more power than the stock block can handle (550hp+).
Edit: Should probably move this to a new thread V1H. Don't want to fill this one up with too much off topic.
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