Porsche 987.2 Boxster / Cayman BMC F1 Replacement Air Filter (2009-2012) GTS 4.0 OAP Once the GiroDisc system is

Once the GiroDisc system is in place

and you have five different tip options to choose from

5mm secondary

Our United States patented RENNKRAFT® modular design features a quick release V-band connector that allows the owner to easily swap between our German made HJS 200 cell cats and a cat bypass “straight pipes” for track use ONLY

the unit is then again pressure checked to again make sure there are no leaks from the welding process

Porsche 987.2 Boxster / Cayman BMC F1 Replacement Air Filter (2009-2012) GTS 4.0 OAP Once the GiroDisc system isProper airflow is crucial to an engine's performance. When it comes to precisely engineered automobiles like the Porsche 987. 2 Boxster and Cayman, every bit of optimization will help you get the most from your engine. That's why we provide this BMC F1 replacement air filter. It fits perfectly in the 987. 2's OEM air box and is built with the highest quality materials. Starting with its outer frame, BMC uses a special soft rubber material made in a