Eventuri BMW F97 X3M / F98 X4M Replacement Panel Filter Set Tunes & Software If its NOT Helical exhaust

If its NOT Helical exhaust valves then RUN because you will be getting 100% guaranteed to fail Cheap Chinese exhaust valves

and responsiveness

This product includes an ECU Tuning Upgrade

Easily flash your Cayenne with a Fabspeed ECU Tune utilizing the included handheld device

The perfect compliment to Fabspeed's 987

Eventuri BMW F97 X3M / F98 X4M Replacement Panel Filter Set Tunes & Software If its NOT Helical exhaustThe Eventuri panel filters are made using the same design philosophy of their full carbon fiber intake systems: cutting edge design, rigorous testing and prototyping methods. With a focus on performance, each design undergoes CFD analysis and is then validated at the prototype stage through volumetric airflow, intake temperature and extensive dynamometer testing. Eventuri publishes all the development information to illustrate the depths they go to in