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The Best Thing Since Sliced Bread?


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isnt that the same sort of thing that the high class sportscar manufacturers do

valve type thingy on exhaust :(

 

Not that vents to atmosphere unsilenced, or at 90 degrees to the exhaust flow :D

 

Anyone ever heard a completely unsilenced exhaust before? It's not pleasant.

 

I wonder how long the the flap seal will remain intact for after being subject to carbon build up and general "under car" environmental abuse? I wouldn't be surprised if it leaks like a seive after not very long :(

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technically they are a good idea....as we all know turbos like no back pressure, however......all the reports ive read on exhaust "cut out valves" indicate that there actually crap, because the flaps jam, and the exhaust leaks

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a friend of mine had a 1966 mustang that had a valve on it that look very old, after the down pipe there was a 'Y' shaped section, one branch went through the rest of the system and the other side was blanked off with a removable plate, once the plate was removed there was obviously a lot less restriction but a lot more noise too. ok so it had to be done manualy but it must be the same idea, normal driving with the plate on.. track days.. plate off

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a friend of mine had a 1966 mustang that had a valve on it that look very old, after the down pipe there was a 'Y' shaped section, one branch went through the rest of the system and the other side was blanked off with a removable plate, once the plate was removed there was obviously a lot less restriction but a lot more noise too. ok so it had to be done manualy but it must be the same idea, normal driving with the plate on.. track days.. plate off

 

A few production cars have that sort of thing (Mitsubishi 3000GT), but they are all silenced. This item in question vents completely unsilenced exhaust to the atmosphere :rolleyes:

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