HPS Cold Air Shortram Intake Kit 2012-2015 Audi A6 Quattro 3.0L Supercharged C7 827-676 - HPS Performance Products
Sport air filter (high performance) Pipercross for Audi A6 (C7) 3.0 TDI (2011-) PX1928 - Sp Newconcept
Air Filter, Performance (K&N) for C7 A6-A7 3.0T C7 S6-S7 4.0T
Amazon.com: K&N Engine Air Filter: High Performance, Premium, Washable, Replacement Car Air Filter: Compatible with 2011-2018 Audi (A6, A6 Quattro, A7, A7 Quattro) E-2987 : Automotive