Tunnel dump exhaust ( NO Turbo ) ???

[Lasse]

Hi...

I'm looking for pictures of Tunnel dump exhaust / Under tunnel exhaust.

I want to make room for a gas can and luggage behind the seat and to lower the exhaust sound level by letting the sound waves into the snow in the tunnel.

I'm Looking for ideas how to make a exhaust system that would give me these benefits.

A lot of pictures would be appreciated !


.

 

[The Artist]

http://www.ty4stroke.com/viewtopic.php?t=78248
http://www.ty4stroke.com/viewtopic.php?t=60840

here is some I found on a search

 

[Rockmeister]

Hey Lasse!

I did a how to thread on an under-tunnel exhaust.
The link is here:

http://www.ty4stroke.com/viewtopic.php? ... st&start=0

Can say a couple things...
It won't be quieter.
(An additional baffle is highly recommended.)
It builds up more ice under the tunnel from melting the snowdust more.

Hope this helps!

Rock

 

[Lasse]

An under-tunnel exhaust won't be any quieter.

A Cherry Bomb like the one you used is not the most quiet muffler/silencer out there !

I think... it probably all depend on which type of muffler you use,
how quiet it will be.

 

[Lasse]

The Yamaha RS Professional sled has a great under tunnel stock exhaust system and it working flawless

 

[Lasse]

*ERASED*

 

[Lasse]

*ERASED*

 

[powder muncher]

tunnel dump

I don't know if you did see thes pics.

I used the stock exhaust pipes thats why they are not the same lenght.

I would just go with straight pipes the same diameter and weld them in .

I just weldet the old exhasut outlet shut.

There is very litle ice build up and sound is super quiet.

Let the pipes go into the muffler about 5 centimeters.

 

[Lasse]

^^^^ ^^^^


A lot of pictures would be appreciated !