For the garage i used a downspout adapter without a leaf guard since there aren t trees close enough for that gutter to get clogged up.
Bury your gutter downspout.
Start laying your drain pipe by attaching a 90 degree angle pipe to the gutter downspout.
Dig a trench along the desired route of the drain pipe.
Now time to screw them into place.
To do this i cut the black corrugated pipe added a t and aimed the pipe upwards to the downspout.
Use a garden spade to cut.
Take a drill and remove the old screws.
Have your downspout extension and connector together then place on your gutter.
Since my in ground pipe ran right past the garage i had the garage downspout dump in as well.
Cover the inside of the fitting with pvc cement and push it into the lower end of the gutter downspout.
Time to take off the old angle off the gutter downspout.
Inspect the ground above the buried downspout after the first two or three substantial rainfalls.
Repeat the similar procedure for the other end of the angle to connect it to the ground pipe.