EricV.
TVWBB Guru
Not to beat a dead horse, but the caveat/twist to this discussion is the injection of the aluminum grill grates, see below:
If you are you using these on a charcoal grill there is no impact on the food regarding flair-ups.
GrillGrates for the 22" Weber Kettle | GrillGrate
TWO radius cut 20" GrillGrates and one standard 20" panel fit beautifully on the 22.5" Weber Kettle. Covers 90% of the surface. Includes The GrateTool and User Guide
www.grillgrate.com
If you are you using these on a charcoal grill there is no impact on the food regarding flair-ups.