Porsche 955 S BMC F1 Replacement Air Filters (2002-2007) Tunes & Software his system is a lot

his system is a lot lighter than the factory system and flows much better

Replaces the heavy and restrictive catalytic converters with a lightweight free-flowing "straight-pipe" for maximum power and sound

Saves weight from the rear of the vehicle compared to the full OEM exhaust

964 Turbo secondary OEM Porsche rear side muffler for much improved exhaust flow and dramatically increased sports car turbo sound

Porsche 955 S BMC F1 Replacement Air Filters (2002-2007) Tunes & Software his system is a lotHigh performance drop in replacement for the factory air filters; fits OEM Cayenne 955 S air box for improved airflow and performance. Starting with its outer frame, BMC uses a special soft rubber material made in a process called "full molding", which not only provides a much tighter seal around the filter, but also eliminates any potential cracking or breaking of the filter. The filter element itself is made of a washable cotton material that