Fabspeed 911 Carrera Maxflo Performance Exhaust System (76-89)(FS.POR.911.MAXS) 3503 is to replace the factory

is to replace the factory catalytic converters

This high quality mechanical to electric hall effect speed sensor from AutoMeter is engineered to adapt to GM and Chrysler transmissions originally designed to accept a 7/8" x 18 thread on style speedometer cable

5" Diameter Outlet

Natural Aluminum FinishDimensions: 20

Silent Slot Technology: The USR Rotors feature EBC's exclusive Silent Slot pattern

Fabspeed 911 Carrera Maxflo Performance Exhaust System (76-89)(FS.POR.911.MAXS) 3503 is to replace the factoryThe Maxflow Exhaust System adds power and sports car sound all while reducing wait from the rear of your 911. SOUND: The Fabspeed Maxflo Exhaust is the perfect exhaust for everyday street driving and anyone that is looking for a system that isn't too aggressive but intoxicating throughout the RPM range. Improved sports car sound; deep and throaty while maintaining a street appropriate volume. No need to worry about waking up the neighbors or