inside - Page 2 - Yamaha FZ6 Forums - International FZ6 Motorcycle Community Forum

**Botch** · 06-27-2008, 04:50 PM

Doubt that you had a bad batch of cutting wheels, that's just a lot of metal to grind thru. A cutting torch maybe...

urbanj · 06-27-2008, 07:38 PM

im doing a different version of this mod so i can keep the stock look and protect my saddlebags

i used a plasma cutter so opening up the can was easy. i might just straight pipe the inside and pack it with some stainless steel wool to battle resonance or use perforated exhaust tubing to join the inlet to the two outlets.

ill post it when im done.

**Hellgate** · 06-27-2008, 08:09 PM

Me thinks the portion that was cut out was the resonence (sp?) area of the muffler, hence the drone at certain rpm. To get it louder the exhaust holes need to be larger, think db killer in vs. db killer out.

HavBlue was working on plans for a simple glass pack muffler. Any news Charlie?

FzPilot · 06-28-2008, 07:23 AM

I must add, I am pleased with the build quality of this muffler. It already has fiberglass packing as well as perforated sheet metal built into the skin.

I do agree with Hellgate, the relatively small openings is what makes the muffler sound the way it does. The replacement of these pieces however will not be easy

I think I'm ready to have a second run at it, this time, I"m taking the camera

be back with the report later!

**aussiejules** · 06-30-2008, 04:36 AM

Wolfman has just had it done, the out lets cut off and made bigger, and the first baffle perforated alot. Sounds good but talking either side of the bike with it idling we ahd to raise or voices dramatically, and after 150km's he said he couldnt hear anything, which isnt good being a dj (hey what song did you want, )

Wolfman · 07-22-2008, 11:35 AM

Quote:

Originally Posted by aussiejules

Wolfman has just had it done, the out lets cut off and made bigger, and the first baffle perforated alot. Sounds good but talking either side of the bike with it idling we ahd to raise or voices dramatically, and after 150km's he said he couldnt hear anything, which isnt good being a dj (hey what song did you want, )

Yeah, but it sounds hot! and it was cheap, and thanks to Jules, there's a vid of it on youtube if you want to hear it.

I should wear earplugs, but being an old Ducati Man, i love the sound of a bike's exhaust when your riding on the pipe.

YouTube - FZ6 Exhaust de-baffle

06-27-2008, 04:50 PM	#11 (permalink)
Botch I.Y.A.A.Y.A.S!! Join Date: Jun 2007 Location: Ogden UT Bike: FZ-6, 2007 Blue Posts: 1,369 Rep Power: 20 Member #227	Re: inside Doubt that you had a bad batch of cutting wheels, that's just a lot of metal to grind thru. A cutting torch maybe... __________________ "In the evolution of our species we've gone from knuckle-dragging to knee-dragging." - Keith Code

06-27-2008, 07:38 PM	#12 (permalink)
urbanj Junior Member Join Date: Jan 2008 Location: Vancouver, Canada Bike: 2007 FZ6 Posts: 294 Rep Power: 7 Member #1173	Re: inside im doing a different version of this mod so i can keep the stock look and protect my saddlebags i used a plasma cutter so opening up the can was easy. i might just straight pipe the inside and pack it with some stainless steel wool to battle resonance or use perforated exhaust tubing to join the inlet to the two outlets. ill post it when im done.

06-27-2008, 08:09 PM	#13 (permalink)
Hellgate Super Member Join Date: Jan 2008 Location: Austin, Texas Bike: 2007 FZ6 Posts: 3,029 Rep Power: 56 Member #1191	Re: inside Me thinks the portion that was cut out was the resonence (sp?) area of the muffler, hence the drone at certain rpm. To get it louder the exhaust holes need to be larger, think db killer in vs. db killer out. HavBlue was working on plans for a simple glass pack muffler. Any news Charlie? __________________ Pete Mods: Akrapovic Exhaust, Ohlins Remote Shock, R6 Fork, Cobin Saddle with Backrest, Motovation Sliders, Yamaha Lower Cowl, Stickers Removed, Galfer Brakelines, Pazzo Shorty Levers, Rizoma FE, Fredlight Conversion, Hugger Trimmed, ConvertiBar Clip-Ons, Acculign Top Clamp, OSO2K Setbacks, Power Commander III with Custom AF1 Racing Map.

06-28-2008, 07:23 AM	#14 (permalink)
FzPilot Junior Member Join Date: Sep 2007 Location: Chicago Bike: 07 Blue FZ6 Posts: 130 Rep Power: 6 Member #548	Re: inside I must add, I am pleased with the build quality of this muffler. It already has fiberglass packing as well as perforated sheet metal built into the skin. I do agree with Hellgate, the relatively small openings is what makes the muffler sound the way it does. The replacement of these pieces however will not be easy I think I'm ready to have a second run at it, this time, I"m taking the camera be back with the report later!

06-30-2008, 04:36 AM	#15 (permalink)
aussiejules Senior Member Join Date: Jul 2007 Location: adelaide australia Bike: 04 silver fz6n Posts: 863 Rep Power: 14 Member #302	Re: inside Wolfman has just had it done, the out lets cut off and made bigger, and the first baffle perforated alot. Sounds good but talking either side of the bike with it idling we ahd to raise or voices dramatically, and after 150km's he said he couldnt hear anything, which isnt good being a dj (hey what song did you want, )

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