Does this mount at the factory mirror location or does it need drilling?

Mounts directly at factory attachment points — no drilling required. Bolt straight to the existing hardware on your Ram.

How much visibility extension do I get compared to the stock mirror?

Towing mirrors are designed for full-width trailer sightline coverage. Manual adjustment lets you dial in the exact angle you need for your load.

Is this mirror stable at highway speeds?

Manual towing mirrors are fixed-position once adjusted — no vibration or drift issues at speed. Lock your angle and you're set for the haul.