exhaust noise?

lucky rsm · Renault 5 Driver Joined: 10 Jun 2009 Karma :

Can someone please answer me why,

I do the same 60 mile journey everyday and go through a strecth of a tunnel about 20 miles in, on my bike with custom can, somedays the exhaust is really loud, back fireing when throttling off, and other days its really quite, why?
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cb500s, er6f, er6f, Gsx650fK9

Wafer_Thin_Ham · Super Spammer Joined: 18 Nov 2005 Karma :

Depends on how quickly you're riding I would guess. Wink

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lucky rsm · Renault 5 Driver Joined: 10 Jun 2009 Karma :

Come on this can't just be me.

This has happened on my last 3 bikes that i've had, all have had scorpion cans, and some days they are alot louder than other days,

Am i just hearing things or what???

And it doesn't matter on speed i'm always doin pretty much the same.
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cb500s, er6f, er6f, Gsx650fK9

iooi · Super Spammer Joined: 14 Jan 2007 Karma :

Wind speed, atmospheric conditions will all effect the sounds.

Oh and wax build up in your ears Laughing

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DrDonnyBrago · World Chat Champion Joined: 03 Jan 2010 Karma :

You occasionally wear earlplugs Mr. Green

?

Vincent · Banned Joined: 16 Oct 2006 Karma :

Throttle position?

slyrob · Traffic Copper Joined: 03 Jan 2010 Karma :

was your visor in the same position each time? Laughing

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loply · World Chat Champion Joined: 24 Mar 2004 Karma :

Agree it's probably whether your visor is open Very Happy

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lucky rsm · Renault 5 Driver Joined: 10 Jun 2009 Karma :

nope my visor has been in the same position wen it has happened,

ok i think it is just me hearing thing's, but it's like riding a different bike sometimes??
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cb500s, er6f, er6f, Gsx650fK9

dragstaar · World Chat Champion Joined: 18 Aug 2010 Karma :

It could also come down to the wind in the tunnel and the direction in which it is travelling. If it is a longer tunnel and there is wind travelling against you, it'll carry the sound from your exhaust away fron you. Stiller atmospheric conditions means that the sound can come up to you.