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[Mk2] [Turbo] lowering decibel level of exhaust

 
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lockys96
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Joined: 14 Aug 2006
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1996 Toyota MR2 Mk2 Turbo Rev3

PostPosted: Tue Oct 30, 2007 1:04 am    Post subject: [Mk2] [Turbo] lowering decibel level of exhaust Reply with quote Reply with quote including images

is there any way of doing this?

my phoenix is around 98 on tickover and 108 at 4.5k revvs!!

i have a departure pro exhaust,

and need to dip under the 105 bracket for track days.

do i need another exhaust?

i dont want to run baffles, as the back pressure can cause det on 500hp
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Spidey
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Joined: 18 Jan 2005
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1996 Toyota MR2 Mk2 NA Rev5

PostPosted: Tue Oct 30, 2007 8:50 am    Post subject: Reply with quote Reply with quote including images

http://www.nengun.com/apexi/decs-exhaust-control-valve

Seems to be discontinued in Nengun but you might pick one up somewhere

hth
Rob
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Chr15py
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1994 Toyota MR2 Mk2 Turbo Rev3

PostPosted: Tue Oct 30, 2007 10:19 am    Post subject: Reply with quote Reply with quote including images

Does the Dep have screw holes in the silencers? Could you have "bungs" made up that reduce the bore slightly? I don't know so be kind.
Chris
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lockys96
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1996 Toyota MR2 Mk2 Turbo Rev3

PostPosted: Tue Oct 30, 2007 5:08 pm    Post subject: Reply with quote Reply with quote including images

rwilson_ie wrote:
http://www.nengun.com/apexi/decs-exhaust-control-valve

Seems to be discontinued in Nengun but you might pick one up somewhere

hth
Rob


that would probably work.

but that flange type is wrong and to small.

its 4" all through, and i have a phoenix performance cat fitted.

i dont want to fit bungs, unless someone can prove it wont blow my engine up due to back pressure
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