I have the RK 2.5" Max Travel lift with 37's on 17" wheels, Fox 2.0 shocks and Fox SS. Very stable, doesn't drift or wander. And I have had it up to 90mph (RIPP supercharger helps).
That guy's Jeep needs some adjustment. It's not the wheels, it's his suspension setup.
2008 2-dr Rubicon, auto,
RK 2.5" Max Travel, Rancho 9000XL shocks, 37" Nittos, 5.38's, RR skids, Warn VR8000-S.
RIPP Gen 2 Stg 2 Supercharger.
Political Correctness offends me.