Depends of the type (model#) you buy. My general conclusion is Bilsteins handle better and Koni's ride softer.
For my RV the Koni's in front and Bilsteins rear give the best ride overall. I also have added air bags on 4 corners, the softer front shocks worked out great.
2016 Thor Tuscany 34ST XTE, Freightliner XCR, ISB 360hp/800tq. Allison 3000, Koni FSD shocks, Roadmaster 1.75" front sway bar, Safe-T-Plus, DYI air bag flow control valves.
2015 Jeep Willy's Wheeler Wrangler Unlimited Toad, Ready-Brute-Elite tow system.