2017 Ski-Doo MX Z X-RS E-TEC 800R Headlight Bulb High Beam and Low Beam 9003 D5s The 6411 LED bulb is

The 6411 LED bulb is one of the most common used fitment

3) What modifications do I need to make

In this Fanless LED kit

This Solaris H11 LED Headlight kit comes with the best of the rest Fanless LED's

- Optional Decoder upgrade to get rid of those annoying Error signals

2017 Ski-Doo MX Z X-RS E-TEC 800R Headlight Bulb High Beam and Low Beam 9003 D5s The 6411 LED bulb isThe LUMENIS 9003 LED HEADLIGHT CONVERSION KIT has everything you need to make the switch from Halogens or HID to the Newer and best lighting option of LED. LEDs compared to HID or Halogens are the most reliable option with a ONE Piece design this is truly the best Plug n Play option. This LED kit has an instant on a function no need for a warm up time like HIDs. The Lumenis LED kit has a built in fan for cooling and a built in controller.