Porsche 996 Carrera Competition Headers BMC F1 Replacement Air Filters (2002-2007) and ECE compliant making for

and ECE compliant making for a great on-road legal option

and include a Lifetime Workmanship Warranty

(You're welcome

High-velocity motorsports-style merge collector

Porsche 996 Carrera Competition Headers BMC F1 Replacement Air Filters (2002-2007) and ECE compliant making forDEVELOPMENT AND TESTING: The 996 Carrera incorporates the catalytic converters into the rear exhaust, which leaves focus on optimizing the flow of the factory flow paths. By smoothing the interface between the flange primary tubes, using smooth radius, large diameter bends, and implementing a collector with equal inputs from each primary, we have created a smoother exhaust flow path from the factory headers (which do not have a true 3 1 merge