Bill, I can't say what is better between Bilsteins and Koni's because I never owned Koni's! I did have 4 new Bilsteins installed on my 36' Adventurer last fall and the porpoising and the side to side roll stopped. When I come off a driveway now the coach doesn't rock side to side as I'm going down the road and it doesn't bounce front to back when going over a overpass at highway speeds. Check your VIN # when you change shocks (this info is in our black Winnebago packet or on the drivers door). Winnebago changes there chassis on Adventurers every 4 years so you will want to order the right shocks. My Winnebago is licensed as a 04, but my chassis is a 03, if I would have ordered shocks for a 04 they would not have fit. Good Luck