That is kind of an old procedure. Side discharge chutes were added to many of the boxes. If there was not one in your box, you should call customer service to ensure one will be shipped to you.
1-855-EGO-5656 (1-855-346-5656) from 8:30AM - 8:00PM EST
(Monday - Friday) & 10:00AM - 6:00PM EST (Saturday & Sunday).
Call early when they first open to avoid waiting on hold.