aFe Magnum FORCE Intake Replacement Air Filter w/ Pro DRY S Media (21-90039) 40310 Compatible with factory narrowband O2

Compatible with factory narrowband O2 sensors (0-1V)

2-Row 42mm Core (Dual Core) Featuring CSF's Exclusive B-Tube Technology

Covered by a 6-month limited warranty on the clear coat finish

So the best way to get more sound out of your Cayenne is to replace the factory catalytic converters

There is no guesswork here

aFe Magnum FORCE Intake Replacement Air Filter w/ Pro DRY S Media (21-90039) 40310 Compatible with factory narrowband O2Magnum Flow Pro Dry S Round Tapered Gray Air Filter (21 90039) by aFe. This high flow Pro DRY S air filters are constructed with 100% polyurethane on all sides and will out flow the stock paper filters for improved performance. Layers of progressively finer synthetic media provides maximum convenience and can be cleaned with soap and water. Washable and reusable for multiple cleaning cycles, the tall, open and evenly spaced filter pleats provide