Yes "technically" you will void the warranty. This is a single axle trailer and balance is a real factor. May I suggest a THULE or Yakima brand roof rack? We put four bikes inside our HTT and works alright. I really like the Clipper though we would go with the BH.
Oasis Bob
Wonderful wife 3 of 4 kids at home. 1 proudly serving in USAF
2018 Ford Explorer
2001 Bantam Trail Lite B-19
HAPPY TRAILS:)