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Porsche 991.2 GT3 Performance Parts

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  • Fabspeed’s Long Tube Competition Race Header System for the Porsche 991.2 GT3 will get you out of the corner fast and maximize your pulling power on the straights! Designed for track and off-road use, our Long Tube Competition Race Headers with Side Muffler Bypass Pipes provide maximum exhaust flow from the engine cylinders straight into the exhaust system.
    Porsche 991.2 GT3 / GT3 RS Long Tube Competition Race Header System
    Designed for racing, track events and off-road use, Fabspeed's Long Tube Competition Race Headers with integral Side Muffler Bypass Pipes are designed to maximize the horsepower and torque bolt-on potential of...
    $5,500.00
    Designed for racing, track events and off-road use, Fabspeed's Long Tube Competition Race Headers with integral Side Muffler Bypass Pipes are designed to maximize the horsepower and torque bolt-on potential of...
  • The ultimate lightweight cat-back exhaust system for the 991.2 GT3 saves 54lbs (24.4kg) off the rear of the vehicle and is perfect for competitive track use, high performance drivers education events, or aggressive street sound.
    Porsche 991.2 GT3 / GT3 RS Catback Competition Race X-Pipe
    The ultimate lightweight cat-back exhaust system for the 991.2 GT3 / GT3 RS saves 54lbs (24kg) off the rear of the vehicle and is perfect for competitive track use, high performance drivers education events, or...
    $1,595.00
    The ultimate lightweight cat-back exhaust system for the 991.2 GT3 / GT3 RS saves 54lbs (24kg) off the rear of the vehicle and is perfect for competitive track use, high performance drivers education events, or...
  • Superb dual-tone sports car sound; throaty and deep at idle and medium speeds. Comes with all hardware needed for install.
    Porsche 991.2 GT3 / GT3 RS Center Mini Maxflo Performance Exhaust System
    Superb dual-tone sports car sound; throaty and deep at idle and medium speeds                                          ...
    $2,395.00
    Superb dual-tone sports car sound; throaty and deep at idle and medium speeds                                          ...
  • Replaces factory center muffler for improved flow, weight savings, and aggressive sound; includes Deluxe Dual Tips in Polished or Matte Black finish
    Porsche 991.2 GT3 / GT3 RS Center Muffler Bypass Pipe
    Replaces factory center muffler for improved flow, weight savings, and aggressive sound                                      ...
    $1,595.00
    Replaces factory center muffler for improved flow, weight savings, and aggressive sound                                      ...
  • Replaces the heavy and restrictive factory side mufflers for improved exhaust flow, increased sound and weight savings. Includes robust Helical valves which maintain the factory sound level adjustment for ultimate combination of performance and comfort.
    Porsche 991.2 GT3 / GT3 RS Side Muffler Bypass Pipes
    Optimized design that replaces the heavy and restrictive factory side mufflers for improved exhaust flow, increased sound and weight savings.                      ...
    $1,495.00
    Optimized design that replaces the heavy and restrictive factory side mufflers for improved exhaust flow, increased sound and weight savings.                      ...
  • Direct replacement for the restrictive OEM headers, offering improved power and throttle response throughout the RPM range
    Porsche 991.2 GT3 / GT3 RS Sport Headers
    Direct replacement for the restrictive OEM headers, offering improved power and throttle response throughout the RPM range. Why We Choose HJS Catalytic Converters:  HJS German imported catalytic converters are made...
    $3,295.00
    Direct replacement for the restrictive OEM headers, offering improved power and throttle response throughout the RPM range. Why We Choose HJS Catalytic Converters:  HJS German imported catalytic converters are made...
  • Catless headers intended for maximum power and sound; recommended for off-road & track use only
    Porsche 991.2 GT3 / GT3 RS Race Headers
    Catless headers intended for maximum power; for off-road & track use only                                          ...
    $2,095.00
    Catless headers intended for maximum power; for off-road & track use only                                          ...
  • Universal O2 Spacers with Catalytic Converters scrub the exhaust and lengthen the distance between the O2 sensor(s) and the exhaust flow to reduce the chance of a CEL.
    Universal 90 Degree O2 Spacers with Catalytic Converters - Pair
    Universal O2 Spacers with Catalytic Converters scrub the exhaust and lengthen the distance between the O2 sensor(s) and the exhaust flow to reduce the chance of a CEL.             ...
    $225.00
    Universal O2 Spacers with Catalytic Converters scrub the exhaust and lengthen the distance between the O2 sensor(s) and the exhaust flow to reduce the chance of a CEL.             ...
  • Adjustable slip-on outlets for Fabspeed exhaust systems which re-direct and control the exhaust volume; perfect for decibel-limited motorsport venues!  
Select your exhaust application from the drop down menu.
    Porsche GT3 Competition Slip-On Turndown Tips
    Adjustable slip-on outlets for Fabspeed exhaust systems and OEM mufflers with the Fabspeed tip holders which re-direct and control the exhaust volume; perfect for decibel-limited motorsport venues!      ...
    $295.00
    Adjustable slip-on outlets for Fabspeed exhaust systems and OEM mufflers with the Fabspeed tip holders which re-direct and control the exhaust volume; perfect for decibel-limited motorsport venues!      ...
  • Larger 4" bolt-on replacements for the smaller factory exhaust tips. Our Carbon Fiber tip option is paired with a lightweight titanium backing plate.
    Porsche 991.2 GT3 / GT3 RS Deluxe Dual Style Tips
    Enhance the look of your 991.2 GT3's rear-end with our larger (100mm, compared with 88mm OEM tips) light-weight 991.2 GT3 / GT3 RS Deluxe Dual Style Tips.As a simple ten minute bolt-on, our tips are designed to fit...
    $495.00
    Enhance the look of your 991.2 GT3's rear-end with our larger (100mm, compared with 88mm OEM tips) light-weight 991.2 GT3 / GT3 RS Deluxe Dual Style Tips.As a simple ten minute bolt-on, our tips are designed to fit...
  • GT3 OEM Center Muffler Reinforcement/ Schalldampfer Verstarkung brace
    GT3 OEM Center Muffler Reinforcement/ Schalldämpfer Verstärkung
    The GT3 Muffler Reinforcement Brace is designed to extend the fatigue life of the factory muffler.  The OEM muffler’s metal skin fractures due to an “oil can” effect.  The varying internal...
    $295.00
    The GT3 Muffler Reinforcement Brace is designed to extend the fatigue life of the factory muffler.  The OEM muffler’s metal skin fractures due to an “oil can” effect.  The varying internal...
  • Specially-engineered tabs eliminate the wind buffeting caused by driving at speed with the windows down
    Blackmill Performance Anti-Wind Buffeting Kit
    Specially-engineered tabs eliminate the wind buffeting caused by driving at speed with the windows down.                                  ...
    $140.00
    Specially-engineered tabs eliminate the wind buffeting caused by driving at speed with the windows down.                                  ...
  • Precision engineered tie-downs constructed from high-strength Domex steel with a red powder coated finish.
    Porsche 991.2 GT3 / GT3 RS Rear Tie Downs
    Precision engineered rear tie-downs constructed from high-strength Domex steel with a red powder coated finish.                           ...
    $95.00
    Precision engineered rear tie-downs constructed from high-strength Domex steel with a red powder coated finish.                           ...
  • Performance ECU software upgrade improves horsepower, torque, and driving characteristics by reprogramming various sensor inputs, air/fuel ratios, and boost pressure (if applicable)
    Porsche 991.2 GT3 / GT3 RS Fabspeed ECU Tune
    Performance ECU software upgrade improves horsepower, torque, and driving characteristics by reprogramming various sensor inputs, air/fuel ratios, and boost pressure (if applicable). NOTE: This is not a physical/shipped...
    $2,495.00
    Performance ECU software upgrade improves horsepower, torque, and driving characteristics by reprogramming various sensor inputs, air/fuel ratios, and boost pressure (if applicable). NOTE: This is not a physical/shipped...