I ran this on my M52. Compatible with S52, but I am not sure about the TU engines. Injen filter does not require oiling and has been installed for less than 1000 miles so pretty clean. I did have to make a cut in the heat shield to clear my aluminum radiator.
$160 shipped in the lower 48
email me for pics
kbhz3partout@gmail.com
Kelvin
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