-20 washer fluid w/m?

i run rainx' 2 n 1 which is -25 no problems so far. I dont think it will leave deposits unless you leave it on and it just runs down into your intake while the engines not running
 
I was tol to run the -20 Peak. That is what Snow Performance reccomended. Unless I mixed my own or bought their boost juice. I don't see how it would leave anything behind unless you shut the engine off directly after using it.
 
is it bad to run for water/meth? ive heard it leaves deposites in your engine...anyone know first hand?

There is no way it can. -20 is only water, 30% methanol and blue dye.
Do not use anything that says "deicer" on the bottle, they have glycol.
 
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