only hip pocket ones.

Vehicle is optimized for 87 RON/MON. Running it on anything above that will not improve performance (very common ricer fallacy). There is the possibility that it will run smoother as you noted due to additives in the better quality fuels.

2002 Sporty , Ironman 2.5" spring, 2" body, 15 x 7 ROH wheels, K&N, 15 x 10.5 Simex Centipedes, Powerchip 91.

"Never argue with an idiot. They will bring you down to their level then beat you with experience!"