To remove and install a kitchen sink drain pipe, start by turning off the water supply and draining any water from the pipes. Disconnect the old drain pipe by loosening the slip nuts. Remove any remaining debris and install the new pipe by connecting it to the sink and the trap. Ensure all connections are tight and test for leaks before use. Proper installation prevents leaks and ensures efficient drainage.

Removing and installing a drain pipe involves disconnecting old pipes and installing new ones. Benefits include improved drainage and prevention of leaks. Challenges include ensuring tight connections and proper alignment. Effective installation ensures a leak-free, functional sink.