Porsche 911 991 Turbo/S Straight Pipes 4" Tips with cats (catalytic converters)

GsportSKU: JC_Porsche_991turbo_straightpipe

Sale price$1,999.95

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Fitment: Porsche 911 Type 991 Turbo and Turbo S

Includes a set of catalytic converters and a set of matte black dual exhaust tips

Tips are 4"

Will pass emission and street legal

These were removed from a consignment customer's 2017 991.1 Turbo S. He was not given any information regarding who built this exaust.


The catalytic converters are produced by Ticon Titanium Innovations/GSPORT. Part numbers stamped on cats, as you can see in images.

High Output Catalytic Converter (3" Inlet/Outlet x 4" Body OD x 7" Length) by G- Sport

Our universal line of G-Sport Emissions Systems Catalytic Converters are designed to support the growing high performance aftermarket.

The converter models target applications based on vehicle horsepower and exhaust sizing. Our High Output (HO) target up to 500 hp per exhaust bank, while our Ultra High Output (UHO) support up to 850 hp per exhaust bank.

GESI G-Sport 300 3in Inlet/Outlet x 4in Dia Body x 7in Length Catalytic Converter.


  • Inlet/Outlet - 3.0"
  • Body OD - 4.0"
  • Overall Length - 7.0"
  • Cell Count CPSI - 300
  • HP Rating - 350-500


  • Reduces up to 99% of harmful exhaust emissions in vehicles.
  • Separates the toxic compound structures to create environmentally neutral Water, Nitrogen and Carbon Dioxide as byproducts.


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