Stock Baffle removal??? - SV650.org

07-11-06, 11:26 AM

I was talking to an old hand (sorry mac) at the weekend and he suggested cutting out the stock baffle as it makes a big difference to the sound.

Questions:

1. Has anyone done this, if so how did it go?
2. Is the exhaust still legal??
3. will it pass its mot??

Sorry but changing for an aftermarket can is an expence too far at the moment.

07-11-06, 05:46 PM

Hiya mate.

Just save your pennies for now.......good things come to those who wait. The stock system is SOOO heavy- I couldn't believe how much when I cut mine off.

If you leave it alone, you can use a link pipe to reconnect it if you ever come to sell and eBay the aftermarket job.

Personal recommendation for a pointy..... see Here which you probably have already. Hoping to make the Ice Cream run if weather is ok, so might see you there.

Garry

09-11-06, 09:03 AM

do those fuel cans come with the removeable baffle or are they just race cans for them prices?

Stu · 09-11-06, 10:26 AM

I wanted to do what you suggest after reading about mufflerectomy as they call it on SVRider

And got as far as putting a lot of holes, until I'd actually got a complete break of the baffle from the exhuast at the back, but not stuck a scaffold pole down it to break the welds at the front.
Result was vastly improved sound for free, Baffle did not wobble so looked stock, so don't see why it wouldn't pass an MOT and the reduction in overall bike weight of 5% was not achieved (approx saving of race can) and no improvement to look of the bike - not bad for free

09-11-06, 11:01 AM

thats a good idea that is

and if you ever need a stock exhaust theres one in my loft

10-11-06, 01:50 PM

I also did a lot of holes on my stock can baffle !

Its for free ,sounds better , and its louder , i just drill a couple of holes on the baffle until i was happy with the sound !
A word of advice ... the holes made the bike fell like it had lost some mid range torque !

I ended up buying a aftermarket can , witch sounded even better , not louder but had a deeper sound witch i love

and got the mid range torque back !

10-11-06, 06:39 PM

It was suggested i use a small disc cutter (like a dremil) inside the end pipe to cut it back about 2 inches. The end of the can would then only have one inner ring instead of the two. Having looked at the construction of the exhaust I'm not sure this would make any difference to the noise.

The methods mentioned here (drilling holes) would as some of the sound waves in the chamber could pass directly out without entering the end pipe.

Again this is witha very basic understanding of how the exhaust is constructed and works. so could be entirely wrong.

07-11-06, 11:26 AM	#1
Kilted Ginger Guest Posts: n/a	Stock Baffle removal??? I was talking to an old hand (sorry mac) at the weekend and he suggested cutting out the stock baffle as it makes a big difference to the sound. Questions: 1. Has anyone done this, if so how did it go? 2. Is the exhaust still legal?? 3. will it pass its mot?? Sorry but changing for an aftermarket can is an expence too far at the moment.

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07-11-06, 05:46 PM	#2
independentphoto Guest Posts: n/a	Hiya mate. Just save your pennies for now.......good things come to those who wait. The stock system is SOOO heavy- I couldn't believe how much when I cut mine off. If you leave it alone, you can use a link pipe to reconnect it if you ever come to sell and eBay the aftermarket job. Personal recommendation for a pointy..... see Here which you probably have already. Hoping to make the Ice Cream run if weather is ok, so might see you there. Garry

09-11-06, 09:03 AM	#3
kwak zzr Guest Posts: n/a	do those fuel cans come with the removeable baffle or are they just race cans for them prices?

09-11-06, 10:26 AM	#4
Stu Trinity Mega Poster Join Date: Jun 2006 Location: Guildford Posts: 8,027	I wanted to do what you suggest after reading about mufflerectomy as they call it on SVRider And got as far as putting a lot of holes, until I'd actually got a complete break of the baffle from the exhuast at the back, but not stuck a scaffold pole down it to break the welds at the front. Result was vastly improved sound for free, Baffle did not wobble so looked stock, so don't see why it wouldn't pass an MOT and the reduction in overall bike weight of 5% was not achieved (approx saving of race can) and no improvement to look of the bike - not bad for free

09-11-06, 11:01 AM	#5
kwak zzr Guest Posts: n/a	thats a good idea that is and if you ever need a stock exhaust theres one in my loft

10-11-06, 01:50 PM	#6
dotted Guest Posts: n/a	I also did a lot of holes on my stock can baffle ! Its for free ,sounds better , and its louder , i just drill a couple of holes on the baffle until i was happy with the sound ! A word of advice ... the holes made the bike fell like it had lost some mid range torque ! I ended up buying a aftermarket can , witch sounded even better , not louder but had a deeper sound witch i love and got the mid range torque back !

10-11-06, 06:39 PM	#7
Kilted Ginger Guest Posts: n/a	It was suggested i use a small disc cutter (like a dremil) inside the end pipe to cut it back about 2 inches. The end of the can would then only have one inner ring instead of the two. Having looked at the construction of the exhaust I'm not sure this would make any difference to the noise. The methods mentioned here (drilling holes) would as some of the sound waves in the chamber could pass directly out without entering the end pipe. Again this is witha very basic understanding of how the exhaust is constructed and works. so could be entirely wrong.