Bentley bentayga air suspension evolution lowering kit linkages links original designers of lowering kits and the first to offer lowering kits for newly launched models. AUDI A8 (D3) A8 (D4) S6 RS6 (C7) S7 RS7 (C7) Q7 (4L & 4M) LOWERING SERVICE. Mercedes R Classe R320 R500 R63 R251 Airmatic Kit Abaissement/Liens / Liens.