Yes, the tune of the 2018-2022 Super Deluxe Coil A2 can be changed using the kits listed below. The tune of the A1 variant can not be changed.
11.4118.096.011 REAR SHOCK TUNE ASSEMBLY (INCLUDES SHIMS FOR COMPRESSION TUNE CONFIGURATIONS) - SUPER DELUXE COIL A2
11.4118.096.012 REAR SHOCK TUNE ASSEMBLY (INCLUDES SHIMS FOR REBOUND TUNE CONFIGURATIONS) - SUPER DELUXE COIL A2
Tuning instructions can be found in our Rear Shock Piston Tuning Guide.
RockShox service kits and spare parts are best obtained through your local shop or dealer. See our dealer locator, below, to find a dealer near you. If no one is currently listed near you, then please search for local shops via your preferred web browser.
https://www.sram.com/en/dealer-locator
Manuals and additional information about RockShox and SRAM components can be found at our service site, linked below.
https://www.sram.com/en/service
Further questions?
Reach out to Rider Support by Asking A Question at the link below.
https://www.sram.com/en/rockshox/campaigns/rockshox-rider-support