Yamaha OEM tunnel extension ?

nysrx

Member
Joined
Nov 25, 2003
Messages
475
Age
65
Location
New York
Any use an OEM tunnel extension for MT Max or Phazer to go from 121 to 136. What kind of rear heat exchanger must you use. Does anyone make a tunnel extension that utilizies the stock heat exchanger on an SRX.
 

I used an 02 MM tunnel extension to go from 121 to 136 on a Viper. I used a Mountain Viper rear cooler to match the hose diameter from the running board coolers and it fit perfect. Maxximum Performance used to make a tunnel extension to take the larger Viper / SRX cooler, but they are no longer around. Check out this link for a couple of pictures.
http://www.totallyamaha.net/forums/showthread.php?t=37260
You don't say what you want to extend??
 
extension

Track usa doesn't make stuff for Yamaha anymore. I found a Mountain Viper extension with coooler installed on the Classified for $75. Couldn't pass it up. Thanks to everyone.
 
Tracks USA sold me a kit for my SRX a month ago...You have to cut a hole in it to get the exchanger to fit. Mountain performance was the way to go with the extension...
 
nysrx said:
Track usa doesn't make stuff for Yamaha anymore. I found a Mountain Viper extension with coooler installed on the Classified for $75. Couldn't pass it up. Thanks to everyone.

That's a great price. As I said in my PM, here in Canada that cooler alone sells for $240.00. And aftermarket wouldn't be any better.
 
Tracks USA

I called tracks yesterday. They are out of the 136 extension but have 1 144 extension and it is on a closeout price on their site for $49 I think. Maybe you could cut it down.
 
I have a used in good condition 141 MM extension
I recently extended to 151.
If someone wants it let me know.
It has no cooler in it. It would work fine for a
121 - 136 or probably to 144.
 


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