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SV650.org - SV650 & Gladius 650 Forum (http://forums.sv650.org/index.php)
-   SV Talk, Tuning & Tweaking (http://forums.sv650.org/forumdisplay.php?f=111)
-   -   33 BHP With A Sports Exhaust (http://forums.sv650.org/showthread.php?t=146827)

Sid Squid 21-02-10 07:38 PM
Re: 33 BHP With A Sports Exhaust
 
It will make no difference to power output, if the engine's intake is restricted such that it makes a given output you can do whatever you like to the exhaust - it still won't take any more gas in.

Think about it like this; the standard exhaust flows at least enough gas to allow the motor to make its unrestricted 70ish BHP, so it clearly flows more than twice as much gas as it needs to in order that the engine will produce its 33BHP in restricted form, thus any extra flow that another exhaust might allow can't be of any benefit.

Mej 21-02-10 07:46 PM
Re: 33 BHP With A Sports Exhaust
 
my insurance company didnt seem to care about it. cant say the same for the neighbours! :)

metalhead19 21-02-10 07:48 PM
Re: 33 BHP With A Sports Exhaust
 
Yeah, there was alot of debate on a previous thread about it invalidation your insurance tho
http://forums.sv650.org/showthread.php?t=131471
No real conclusion was made. However, still made me think about the off chance a copper doesnt like your exhaust due to no baffle....

Mej 21-02-10 08:09 PM
Re: 33 BHP With A Sports Exhaust
 
but that was about baffle removal, if you keep them in i think its all valid.

metalhead19 21-02-10 08:33 PM
Re: 33 BHP With A Sports Exhaust
 
Yeah, if your can has the relevant marking for the UK then it will be legal and valid (if you informed your insurance of course)

yorkie_chris 21-02-10 10:45 PM
Re: 33 BHP With A Sports Exhaust
 
Quote:
Originally Posted by stratman_001 (Post 2188972)
Anyone know anybody with an e-mark stamp or someone who can etch an e-mark into a piece of steel? :-D
You can buy the straps pre-printed on ebay and rivet on

Quote:
Originally Posted by hindle8907 (Post 2186769)
duno mate it was free at HG if you spent ten quid .
Dyno jet i think .
dynojet are well known for giving high readings

Quote:
Originally Posted by boot (Post 2186834)
Dunno, would have to be a barsteward of a judge to do you for riding outside your license terms for a couple of hp, but damn sure the insurance company would use it as a good enough cause to not pay out.
Sure any brief could tear the rse out of any case where a restricted bike was in question like that.

And insurers can't just decide not to pay out for a laugh.


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