Have your downspout extension and connector together then place on your gutter.
Bury your gutter downspout.
Map your downspout burial route check local rules for drainage regulations and contact your local utility offices before you dig.
Dig a trench about 6 inches wider than the drain pipe you plan to bury and dig the hole deep enough so that the.
Take a drill and remove the old screws.
Cover the inside of the fitting with pvc cement and push it into the lower end of the gutter downspout.
Repeat the similar procedure for the other end of the angle to connect it to the ground pipe.
Use a garden spade to cut.
Since my in ground pipe ran right past the garage i had the garage downspout dump in as well.
Start laying your drain pipe by attaching a 90 degree angle pipe to the gutter downspout.
To do this i cut the black corrugated pipe added a t and aimed the pipe upwards to the downspout.
Dig a trench along the desired route of the drain pipe.
Now time to screw them into place.
Then remove the angle connector.