On my truck there is a hardline near the thermostat housing that's in the way a little bit, not a big deal tho. Sinister kit drops right in! I think if you open the box and lay the parts sorta where the go, you can come back in 10 minutes and it will have installed it's self. Instructions did say to route the line to the back OVER the CAC tube but I went under. It looked better and couple of loose zipties will keep it away from anything sharp. The line over the radiator seemed about 3in too long also. I couldn't get it to lay where I wanted it to. The supplied worm clamps are kinda large also so I used different style on the return line up front.

Clamps:
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Routing:
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