The polarized mirrors are full replacements they are held on with clips behind which can be popped off easily with your fingers.
Mirrors have laser etching that reads. "OBJECTS IN MIRROR ARE CLOSER THAN THEY APPEAR" just like the oem mirrors

Mirrors are sold in pairs.  

Fits 2008-2015 Evo X and Ralliart (no signals) models ONLY
Note: If your EXO X is CY4A instead of CZ4A, please select the CY4A option from the pull down menu.
CY4A mirrors are pads mounted over your OEM mirrors, not Full Replacement.

 

Benefits of polarized mirrors.

Filters Glare
Anti Fog
Reduces squinting from HID lights at night
Suitable for day and night time use