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Old 12-20-2008, 07:32 AM   #1
AntZ
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Make stock exhaust louder, how do I do it?

08 750, anyone have any ideas on how I can make the stock exhaust louder without the mod being visibly noticeable to the authorities?
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Old 12-20-2008, 08:24 AM   #2
surfingsk8r
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Re: Make stock exhaust louder, how do I do it?

cut the cat off and then using a large drillbit gut the materil out of it so that its a strait through path to the muffler and then have the cat welded back ont eh the exhaust so that it looks like it was never taken off.
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Old 12-20-2008, 12:44 PM   #3
07gixxerfreak
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Re: Make stock exhaust louder, how do I do it?

Just buy a '08 slipon, as long as you keep the cat on then it wont be much louder than it was stock, just a much better tone.
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Old 12-20-2008, 12:52 PM   #4
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Re: Make stock exhaust louder, how do I do it?

Maybe buy the shorter OEM slip on from a 06-07 model, like this:



It might be slightly better flowing (looks to be straight through rather then chanbered like ours) and maybe a little louder then the current 08-09 models. Well at least it sounded louder on a friend's 07' 600.
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Old 12-20-2008, 04:21 PM   #5
g34343greg
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Re: Make stock exhaust louder, how do I do it?

can you swap out the "muffler" from the 06-07 onto the 08 or is it connected to the cat on the 06-07?
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Old 12-20-2008, 06:29 PM   #6
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Re: Make stock exhaust louder, how do I do it?

Quote:
Originally Posted by g34343greg View Post
can you swap out the "muffler" from the 06-07 onto the 08 or is it connected to the cat on the 06-07?
Actually after looking at my buddies K7 600 it looks like the can is welded to the cat. You would still have to swap out the header for the complete install or cut the 08 cat out and weld this assembly in.

It comes as a assembly like this i believe:


Last edited by 08 GSX-R750; 12-20-2008 at 06:37 PM.
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Old 12-21-2008, 07:07 PM   #7
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Re: Make stock exhaust louder, how do I do it?

you need to cut the exhaust off and make a 2 meter one,

i saw a cbr 1000 with a 2 meter exhaust made out of metal he was really cool guy doing burnouts in teh rain at a petrol station right in middle of 6 pumps, like nothing bad at all could happen there,
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Old 12-21-2008, 07:10 PM   #8
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Re: Make stock exhaust louder, how do I do it?

The 08 exhaust muffler is separate from the cat what is welded to the headers. On the 06/07 the muffler and the cat welded together. Just put a damn slipon on the bike.
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Old 12-25-2008, 12:31 AM   #9
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Re: Make stock exhaust louder, how do I do it?

Cheers
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Old 01-16-2010, 08:20 PM   #10
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Re: Make stock exhaust louder, how do I do it?

Anyone has a good tutorial on how to debafffle the k9 exhausts?
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Old 01-16-2010, 08:27 PM   #11
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Re: Make stock exhaust louder, how do I do it?

my buddy made one for his 08 600 sounds killer
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Old 01-16-2010, 11:10 PM   #12
Chugs
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Re: Make stock exhaust louder, how do I do it?

Just take the muffler off, it will be louder.
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Old 01-17-2010, 07:04 AM   #13
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Re: Make stock exhaust louder, how do I do it?

Quote:
Originally Posted by AntZ View Post
08 750, anyone have any ideas on how I can make the stock exhaust louder without the mod being visibly noticeable to the authorities?
Shift gears less often.


I rode my '08 750 with a stock exhaust for months (until I race prepped it) and the stock exhaust sounds great when you ride it hard.
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