How to: Silence by 1/2 your Two Brothers Exhuast - Yamaha FZ6 Forums - International FZ6 Motorcycle Community Forum

MarinaFazer · 07-30-2008, 04:30 PM

check out this link. Don't ask me about it, I haven't done it, but it's another forum and apparently it works!

Two Brother's Exhaust Sylencer Mod - Sportbikes.net

a_sick1 · 07-30-2008, 05:13 PM

thats pretty sweet

**blueMONday** · 07-30-2008, 05:30 PM

Simple and Sweet, thanks.
b_d43 made something similar but he machined the piece, so it looks more "professional" like it came from TB.

**christod1** · 07-30-2008, 07:18 PM

+1. Thanks
I was think of doing the exact some thing but placing the two !@#$ ( I have no idea what there called) on the db killer side and painting them black. I need to try this when I can find the time. The only thing that worries me is creating excessive back pressure....

**Botch** · 07-30-2008, 07:51 PM

Glad he painted the second set of disks, got rid of the "crosseyed" look.

**reiobard** · 07-30-2008, 07:54 PM

doesn't this negate any kind of minimal performance gains that might have been gained by putting the pipes on?

**bd43** · 07-30-2008, 08:29 PM

When it comes to backpressure, in general it's dependant on the diameter of the outlet. Since in that person’s design and what I considered the diameter of my discs to be came from what the stock outlet diameters are. I made mine 1” diameter while the stocks are a tiny bit smaller. If you’re going to make discs I would not recommend port diameters smaller than the stock ones. As for the performance, I think even with the 1” diameter port discs in place is still better off in performance because the stock mufflers are not a straight through system therefore inherently must have more back pressure than the TB’s.

There are some interesting articles on the web about motorcycle exhaust design and theory. It’s internet stuff so true fact or not, consider the source. Here are some good links for a good read…..

Exhaust backpressure the myth - ThumperTalk

Exhaust theory - tuning technical information

Exhaust flow, noise, and design

**christod1** · 07-30-2008, 09:23 PM

Quote:

Originally Posted by Botch

Glad he painted the second set of disks, got rid of the "crosseyed" look.

Ye....I should have read the whole thread...

MarcW · 07-30-2008, 10:02 PM

might try that

bmccrary · 07-30-2008, 10:50 PM

Try repacking first. I have posted it up some where before. Two Bro's did a horrible job with the packing. There is hardly in there.

-bryan

07-30-2008, 04:30 PM	#1 (permalink)
MarinaFazer Ocean Rider 1 Join Date: May 2008 Location: Brentwood, California 90049 (LA) Bike: 2006 FZ6 Posts: 1,022 Rep Power: 14 Member #2566	How to: Silence by 1/2 your Two Brothers Exhuast check out this link. Don't ask me about it, I haven't done it, but it's another forum and apparently it works! Two Brother's Exhaust Sylencer Mod - Sportbikes.net

07-30-2008, 05:13 PM	#2 (permalink)
a_sick1 2004 FZ6 Join Date: Jun 2008 Location: NC Bike: 2004 FZ6 Posts: 227 Rep Power: 5 Member #3094	Re: How to: Silence by 1/2 your Two Brothers Exhuast thats pretty sweet

07-30-2008, 05:30 PM	#3 (permalink)
blueMONday Super Member Join Date: Oct 2007 Location: North East Coast Bike: 2007 FZ6 Blue Posts: 658 Rep Power: 24 Member #741	Re: How to: Silence by 1/2 your Two Brothers Exhuast Simple and Sweet, thanks. b_d43 made something similar but he machined the piece, so it looks more "professional" like it came from TB. __________________ Carpe Diem. Mods: b_d43's dual headlight, Givi E37,Givi E21 + racks, Givi E37 brakelight, Yamaha lower cowl, CalSci 8+ windshield, FIAMM FreewayBlaster, Acerbis MX handguards, Phillips Xtreme bulbs, Uncaged Frame sliders, Motorcyle cigarette power socket, RAM Mount-Aquabox, Throttlemeister, Two Brothers Titanium, Power Commander III, K&N air filter, Fork mounted Auxialliary Lights

07-30-2008, 07:18 PM	#4 (permalink)
christod1 Just a member Join Date: Nov 2007 Location: Rhodes, Greece Bike: Naked 07 FZ6 Posts: 485 Rep Power: 9 Member #967	Re: How to: Silence by 1/2 your Two Brothers Exhuast +1. Thanks I was think of doing the exact some thing but placing the two !@#$ ( I have no idea what there called) on the db killer side and painting them black. I need to try this when I can find the time. The only thing that worries me is creating excessive back pressure.... __________________ Life is too short.You got to stop and look around once in a while cause you might miss it.

07-30-2008, 07:51 PM	#5 (permalink)
Botch I.Y.A.A.Y.A.S!! Join Date: Jun 2007 Location: Ogden UT Bike: FZ-6, 2007 Blue Posts: 1,441 Rep Power: 21 Member #227	Re: How to: Silence by 1/2 your Two Brothers Exhuast Glad he painted the second set of disks, got rid of the "crosseyed" look. __________________ "In the evolution of our species we've gone from knuckle-dragging to knee-dragging." - Keith Code

07-30-2008, 07:54 PM	#6 (permalink)
reiobard Postaholic Join Date: Nov 2007 Location: Concord, NH Bike: 2007 FZ6 (The Faster Blue) Posts: 5,369 Rep Power: 72 Member #991	Re: How to: Silence by 1/2 your Two Brothers Exhuast doesn't this negate any kind of minimal performance gains that might have been gained by putting the pipes on?

07-30-2008, 08:29 PM	#7 (permalink)
bd43 Moderator Join Date: Aug 2007 Location: Alberta, Canada Bike: 2007 FZ6 Blue Posts: 451 Rep Power: 21 Member #458	Re: How to: Silence by 1/2 your Two Brothers Exhuast When it comes to backpressure, in general it's dependant on the diameter of the outlet. Since in that person’s design and what I considered the diameter of my discs to be came from what the stock outlet diameters are. I made mine 1” diameter while the stocks are a tiny bit smaller. If you’re going to make discs I would not recommend port diameters smaller than the stock ones. As for the performance, I think even with the 1” diameter port discs in place is still better off in performance because the stock mufflers are not a straight through system therefore inherently must have more back pressure than the TB’s. There are some interesting articles on the web about motorcycle exhaust design and theory. It’s internet stuff so true fact or not, consider the source. Here are some good links for a good read….. Exhaust backpressure the myth - ThumperTalk Exhaust theory - tuning technical information Exhaust flow, noise, and design __________________

07-30-2008, 10:02 PM	#9 (permalink)
MarcW full throttle turd nugget Join Date: Jun 2008 Location: washington Bike: 2005 FZ-6 Posts: 56 Rep Power: 3 Member #3275	Re: How to: Silence by 1/2 your Two Brothers Exhuast might try that

07-30-2008, 10:50 PM	#10 (permalink)
bmccrary Future Engineer Join Date: Nov 2007 Location: Charlotte, NC Bike: 2005 FZ6 Posts: 999 Rep Power: 16 Member #900	Re: How to: Silence by 1/2 your Two Brothers Exhuast Try repacking first. I have posted it up some where before. Two Bro's did a horrible job with the packing. There is hardly in there. -bryan __________________ Bike Adventures YouTube Channel Forsyth Motosports Online Store 2009 Mileage Contest! Rider Resume

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