Porsche 964 Pre-Muffler Catbypass Pipe

  • Porsche 964 Pre-Muffler Catbypass Pipe
  • Porsche 964 Pre-Muffler Catbypass Pipe

Porsche 964 Carrera European Pre-Muffler Catbypass Pipe. Replaces factory catalytic converters with a straight-thru design for increased flow, resulting in more horsepower and improved throttle response.


  • Fits all Porsche 964 C2, C4, RS America, Euro RS and Speedster vehicles 1989-1994
  • Increases horsepower and torque by 16 whp and 14 ft-lbs greatly improving throttle response
  • Constructed from 14-16 gauge, T304L C.N.C mandrel bent stainless steel
  • Straight-through resonator with stainless steel wool packing
  • Includes intergrated O2 sensor bung for air/fuel ratio management
  • Simple bolt-on installation
  • All Fabspeed performance products are backed by the Fabspeed Lifetime Limited Warranty


Item number: FAB-FS.POR.964.CB
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