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i got a 2002 sno pro 440 firecat chassis, its got a speedwerx 730 sx motor n twin pipes. it will run really hot until u put it into deep powder for a little while. can i swap out the small rear heat exchanger for another firecat exchanger like one from an early f5?
 

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2003 F5 or F7 works best. 2004 has bigger inlets so you have to adapt the hoses. I think 03 is 5/8" and the newer ones are 3/4".
You will have to cut the tunnel but it will look like a firecat when done.
I did it to mine, if you have a firecat to measure it is really pretty easy, and looks factory.
 
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