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911 991 GT3 & GT3 RS & R (2013-2016): CATALYTIC CONVERTERS

    991 GT3 EXHAUST MANIFOLDS KIT WITH FLASHER CEL OFF SOFTWARE

    TSPO991GT306.073.CEL

    • AISI 304 STAINLESS STEEL
      AISI 304 STAINLESS STEEL
    • RACETRACK USE ONLY
      RACETRACK USE ONLY
    • MAIN PIPE DIMENSION
      MAIN PIPE DIMENSION
      80

    CATALYTIC CONVERTER REMOVAL

    300 CELLS

    Race catalytic converters have fewer cells than standard factory systems. This reduces exhaust back pressure while still cutting pollutant emissions and boosts power and sound.

    END TIPS DESIGN

    OE

    The muffler must be used in conjunction with the original exhaust end tips.

    991 GT3 EXHAUST MANIFOLDS KIT WITH FLASHER POWER UPGRADE SOFTWARE

    TSPO991GT306.073.ST1

    • AISI 304 STAINLESS STEEL
      AISI 304 STAINLESS STEEL
    • RACETRACK USE ONLY
      RACETRACK USE ONLY
    • MAIN PIPE DIMENSION
      MAIN PIPE DIMENSION
      80

    CATALYTIC CONVERTER REMOVAL

    300 CELLS

    Race catalytic converters have fewer cells than standard factory systems. This reduces exhaust back pressure while still cutting pollutant emissions and boosts power and sound.

    END TIPS DESIGN

    OE

    The muffler must be used in conjunction with the original exhaust end tips.