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Subaru Radiator Pipe Installation

Step 1: Siphon/drain some coolant out of the system so that the upper pipe can be removed. There is not a need to drain all of the coolant unless desired.

Step 2: Remove the factory radiator hose.

Step 3: Hold the pipe up and ensure fitment looks close:

Step 4: Install the inner coupler with the RK Ti hose and put coupler over radiator outlet.

Step 5: Pull the coupler sideways (towards the left if pipe seems shorter and towards the right if pipe seems longer). Then insert the hose into the coupler and push the coupler fully onto the radiator.

Step 6: Complete!