We ordered our '09 Phaeton with just the cooktop (no oven) so we could have the dealer install the Fisher-Paykel underneath. It turned out beautifully. We used it on most outings and loved it.
If you have cabinet space under the burners, it should be a fairly straight forward install.
2000 Dynasty 40' Regent, Cummins ISC 350
2012 Ford Edge toad
CoPilot: Vicki, 2 greyhounds: Hope & Dora