Amazon.com: K&N Engine Air Filter: Increase Power & Acceleration, Washable, Premium, Replacement Car Air Filter: Compatible with 2008-2015 Cadillac CTS and CTS-V, 33-2411 : Automotive
Air Intake Filter-Yellow, Comparable to OEM # 1003712 — Sciencix
Green USA: 9" Filter [CTS V gen 2 Airaid, C7 Corvette Halltech] – WEAPON-X Motorsports
CTS Turbo SAI breather filter, CLIP-IN style - CTS TURBO
Amazon.com: FRAM Extra Guard CA10626 Replacement Engine Air Filter for Select Cadillac CTS Model, Provides Up to 12 Months or 12,000 Miles Filter Protection : Automotive
CTS Turbo Air Filter 3.5" for CTS-IT-270/270R/290/300/180 - CTS TURBO
CARBONIZED CABIN AIR FILTER FOR CADILLAC CTS STS SRX CTS-V US SELLER C $2.19 tarigs.com
CORSA | 2011-2015 Cadillac CTS-V 6.2L V8 Air Intake (415864)
Caterpillar CTS-FILTER Sunglasses - Go-Optic.com
CTS - CTS-AF-350 - CTS Air Filter 3.5" Inlet Low Profile - (NO LONGER AVAILABLE)
3.5" Cold Air Intake Dry Filter Universal BLACK For Cimarron/CT6/CTS/DeVille | eBay