Fabspeed Porsche 964 Carrera Maxflo muffler cat-back Exhaust System (1989-1994) Select:Select Outlet Type=Single Outlet Includes integrated O2 sensor bung

Includes integrated O2 sensor bung for air/fuel ratio management

OEM air boxes are designed to act as mufflers to keep the induction note from reaching the cabin

which not only provides a much tighter seal around the filter

Dramatically reduces backpressure and improves exhaust flow and sportscar sound

Fabspeed Porsche 964 Carrera Maxflo muffler cat-back Exhaust System (1989-1994) Select:Select Outlet Type=Single Outlet Includes integrated O2 sensor bungFabspeed Motorsport Maxflo Muffler Exhaust System replaces your restrictive factory Porsche center muffler and factory secondary side mufflers with 1 MAXFLO muffler mounted directly behind the license plate frame on all 964 cars worldwide. DYNO developed race track and Autobahn proven performance an durability. SOUND: Improved sports car sound; deep and throaty rumble while maintaining street appropriate volume along with significant weight savings