2010 Wide Glide Exhaust Valve
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Joined: Oct 2007
Posts: 91
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From: Hertfordshire, UK
2010 Wide Glide Exhaust Valve
Hi Guys,
On the standard Tommy Gun exhausts there looks to be some kind of valve with a cable going to it. Does anybody know what this valve is for?
Thanks
On the standard Tommy Gun exhausts there looks to be some kind of valve with a cable going to it. Does anybody know what this valve is for?
Thanks
Road Captain
Joined: Jun 2008
Posts: 740
Likes: 228
From: Lagoa - VNF
yep, just on HDI models, it is called 'active exhaust' valve and its purpose is to pass noise emission tests in europe. there is also the 'active intake' thing in tc96 HDI models, same reason.
cheers
cheers
Advanced
Joined: Aug 2008
Posts: 64
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From: Gold Coast Australia
Take your bike along to your local Harley dealer and ask them to lock it in the open position. They can do it via their computer linked to the bike's ECM. No parts necessary for them to do this. You will notice a definite increase in performance.
Colin.
Colin.
Tourer
Joined: Sep 2007
Posts: 291
Likes: 0
From: Long Island, NY
Dont touch the valve. It gives you better torque on low end and better hp on top end. If all you want is noise, then lock it open.
My BMW car has one too and its quiet open or closed it just gives less back pressure open. More or less is desireable depending on the engine speed and load.
My BMW car has one too and its quiet open or closed it just gives less back pressure open. More or less is desireable depending on the engine speed and load.
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