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I am going to be running a full 4" custom exhaust on my ST which will go to my 3" Turbo XS exhaust. At the track I will remove the exhaust from the steering rack back and add a simple 4" turnown.
What I have with recirculating wastegates would be very quiet, but you'd give up some power. But like mentioned just do the SP cutouts for when you want the big power.
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Originally Posted by tiguy99
What would be the quietest exhaust choice assuming this was what you were shooting for?
Why not use the SP exhaust cutout? Boost controlled and will be perfect to keep that "stock" sound.
Also OT but Quamen, what's the move toward to turbo? i was looking forward to your twin supercharger idea.
I was able to sell my old setup for more than what it would cost me to switch over to a turbo that would be just as capable as the twin charger setup with half the hassle.
Yeah todya I took off the HKS and just left it open haha.
It's annoying I looked at the Greddy TI-C since it has the same inlet with Evo TT.
But I guess I will just go with something 3" even 3.5" with custom so I don't have to upgrade ever lol.
Guys with the custom exhaust setup which brand / what size muffler did you go with?
it tapers down to like 2.5" at the flange that meets the test pipes. people just cut that out and weld on a piece of 3" pipe and taper it to match the rest of the 2.75" exhaust