Butterfly valve exhaust
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Please can you post items for sale or wanted in the correct For Sale section. Items / bikes for sale here will be removed without warning. Reasons for this are in the FAQ. Thanks
Please can you post items for sale or wanted in the correct For Sale section. Items / bikes for sale here will be removed without warning. Reasons for this are in the FAQ. Thanks
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Lope
- Site Supporter
- Posts: 197
- Joined: Thu May 22, 2008 1:37 pm
Butterfly valve exhaust
Ever thought of one of these? :)
http://www.sub5zero.com/auto-news/remot ... z-roadster
(a manual version)
http://www.sub5zero.com/auto-news/remot ... z-roadster
(a manual version)
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MexicanGringo
- Familiar Member
- Posts: 315
- Joined: Sun May 25, 2008 10:41 am
- Bike owned: '30
- Location: Durban, RSA
Re: Butterfly valve exhaust
Those are servo controlled by the ecu, and the backpressure tuned to the fuelling & exhaust to produce more low end torque which a large pipe kills..
Manually controlled? You mean like a direct cable couple to the throttle? Jesus that'd be horrible...
Manually controlled? You mean like a direct cable couple to the throttle? Jesus that'd be horrible...
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graham72
- Settled in member
- Posts: 229
- Joined: Tue Sep 08, 2009 9:05 am
- Bike owned: NC30,
- Location: Nr Dover, Kent
Re: Butterfly valve exhaust
The link he posted is nothing to do with low end grunt etc, its purely to cap the noise level in neighbourhoods etc.
Not worth a wank!
Not worth a wank!