DAGE
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I stretched my Attak to a 144" with a Muffin Works extension, I just purchased a 121" cooler but I've read mixed reviews about it getting nicked from studs which I have, so my question is has anyone figured out how to use a rear cooler on an aftermarket extension or I am safe with the 121" cooler
Kyle
Kyle

kinger
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I toyed with mounting it in the back of the extension and then extending the rubber hoses to reach it. It would look a cheesy though having rubber hoses on the outside of the extension all the way back so I nixed the idea.
I beleive apex06 runs a 121 cooler on a 144" apex and has no issues. Hard to think you wont hit it with it hanging down the 2" or so but I dont think its a cause for concern. What rear suspension will you be using?
I beleive apex06 runs a 121 cooler on a 144" apex and has no issues. Hard to think you wont hit it with it hanging down the 2" or so but I dont think its a cause for concern. What rear suspension will you be using?
APEX 06
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On my 144" set back I have the 121 cooler and its fine.
DAGE
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did you add anything to the tunnel protectors or do you even have any?
APEX 06
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DAGE said:did you add anything to the tunnel protectors or do you even have any?
I cut them out, they hold a lot of ice. Lol if I remember I'll take a pic of how I have it tonight
DAGE
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I did a search and seen that you relocated the skid so you should have a little more clearance then I do, it dosn't look like you run studs either, I'd hate to go threw the trouble of adding this cooler and have a stud nick it and be stranded
I also seen what you did with the tunnel protector, pretty neat idea...lol
I also seen what you did with the tunnel protector, pretty neat idea...lol

kinger
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I think your better going with a 136" cooler and modifying it to fit up high and tight in the extension. Ulmer racing had a good write up on it so did rxrider in the garage section.
DAGE
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I seen the one that Ulmer did, I can't weld aluminium so that's probably the route I'll go but I wanted some ideas before I did anything
jsjk-4-stroke
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heat ex
when i streached my rx1 to 136 i left the 121 in cooler in the same place it was before don,t have any problems with temps now , and yes i am studded on the track.
when i streached my rx1 to 136 i left the 121 in cooler in the same place it was before don,t have any problems with temps now , and yes i am studded on the track.
rindtj
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Anyone have a link to the Ulmer one? Is it on his website? Searched here andcouldn't find it.
DAGE
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lawmanbsi
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found this U cooler, might work for you.
http://www.mountainperformance.com/tunnel.htm
I have an Attak and I don't have a rear cooler just the exchangers under the running boards. I have never had any over heating.
http://www.mountainperformance.com/tunnel.htm
I have an Attak and I don't have a rear cooler just the exchangers under the running boards. I have never had any over heating.
DAGE
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I bought my Attak late last year and it didn't overheat however my RX1 mountain would when I trail rode it until I added the rear cooler, I'd rather add one for piece of mind and get it done in the summer instead of having to do it during the winter
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