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GT Downpipe Pre-Muffler Catalytic By-Pass for Porsche 911 1976-89 3.2L
GT Downpipe Pre-Muffler Catalytic By-Pass for Porsche 911 1976-89 3.2L
GT Downpipe Pre-Muffler Catalytic By-Pass for Porsche 911 1976-89 3.2L
GT Downpipe Pre-Muffler Catalytic By-Pass for Porsche 911 1976-89 3.2L
GT Downpipe Pre-Muffler Catalytic By-Pass for Porsche 911 1976-89 3.2L

GT Downpipe Pre-Muffler Catalytic By-Pass for Porsche 911 1976-89 3.2L

For maximum exhaust flow and quicker turbo spool up, Each mandrel bent down pipe is a bolt-on application that will mount to the stock location. All Downpipe applications are made from polished SUS304 stainless steel piping.
  • Material: SUS304
  • Design: Catalytic By-Pass
  • Finish: Brushed / Polished
  • Pipe o/d (mm): 76
  • Pipe thickness (mm): 2.0
  • Flange style inlet: 6 bolt OEM
  • Flange style outlet: 3 bolt OEM
  • O2 sensor bung: Default
  • Cat converter: Deleted
  • Compatible model:
  • Fits all Porsche 911 SC and 911 Carrera vehicles (1976-1989)
  • What is in the box: GT Downpipe, Gasket, Bolts and studs Hardware kit, Promotional