Fabspeed Motorsport Fabspeed Porsche 991 GT3 / GT3 RS / 911 R Long Tube Competition Race Header System 2014-2016
Fabspeed Motorsport Fabspeed Porsche 991 GT3 / GT3 RS / 911 R Long Tube Competition Race Header System 2014-2016
Fabspeed Motorsport Fabspeed Porsche 991 GT3 / GT3 RS / 911 R Long Tube Competition Race Header System 2014-2016
Fabspeed Motorsport Fabspeed Porsche 991 GT3 / GT3 RS / 911 R Long Tube Competition Race Header System 2014-2016
Fabspeed Motorsport Fabspeed Porsche 991 GT3 / GT3 RS / 911 R Long Tube Competition Race Header System 2014-2016
Fabspeed Motorsport Fabspeed Porsche 991 GT3 / GT3 RS / 911 R Long Tube Competition Race Header System 2014-2016
Fabspeed Motorsport Fabspeed Porsche 991 GT3 / GT3 RS / 911 R Long Tube Competition Race Header System 2014-2016
Fabspeed Motorsport Fabspeed Porsche 991 GT3 / GT3 RS / 911 R Long Tube Competition Race Header System 2014-2016
Fabspeed Motorsport Fabspeed Porsche 991 GT3 / GT3 RS / 911 R Long Tube Competition Race Header System 2014-2016
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Fabspeed Porsche 991 GT3 / GT3 RS / 911 R Long Tube Competition Race Header System (2014-2016)

FS.POR.991GT3.LTRHS
Headers & Manifolds
Ships In 1-2 Weeks
$ 7,373.95
$ 7,373.95

SKU: POR.991GT3.LTRHS

Fabspeed Porsche 991 GT3 / GT3 RS / 911 R Long Tube Competition Race Header System (2014-2016)

Fabspeed Long Tube Competition Race Headers with integral Side Muffler Bypass Pipes deliver maximum horsepower and torque gains for Porsche 991 GT3, GT3 RS and 911 R models from 2014 to 2016. These headers increase exhaust flow directly from the cylinders into the system for power across the entire rev range. Dyno-tested gains reach 38 whp and 26 ft-lbs at 7650 RPM with ECU tune, or 24 whp and 16 ft-lbs without.

Key Features

  • Power Gains: Headers alone add 24 whp and 28 ft-lbs at 4500 RPM. with ECU tune, 38 whp and 26 ft-lbs at 7650 RPM and major mid-range torque
  • Burns Stainless Collectors: High-flow, high-velocity merge collectors hand-finished for broad torque curve. proven in NASCAR, IndyCar, ALMS with X-design engineering
  • Helical Side Bypass Valves: Premium valves with high-temp Inconel bearings and cast stainless bodies for track reliability, used by Porsche, McLaren, Ferrari
  • Construction: T304 stainless steel CNC mandrel-bent tubing, hand TIG-welded and backpurged by Fabspeed craftsmen
  • Weight Savings: 40 lb (18.1 kg) reduction from rear of vehicle for improved handling and performance

Product Notes

  • Intended for racing competition and track use only. not for public roads, not CARB or EPA approved
  • Simple bolt-on design, easily removable for emissions testing
  • Increases throttle response and enhances exhaust sound

Installation Notes

  • Professional installation recommended.
  • After initial heat cycle, tighten all exhaust bolts to OEM torque specs for proper seal
  • Bolts on directly to stock exhaust system with provided hardware

This Part Fits

Year Make Model Submodel
2014-2016 Porsche 911 GT3
2016 Porsche 911 GT3 RS
2016 Porsche 911 R

Why Choose Fabspeed?

  • Developed with Burns Stainless racing engineers for proven motorsport performance
  • CAD-designed, dyno and track-tested for real-world power gains
  • Backed by Fabspeed Lifetime Warranty on all performance products

Frequently Asked Questions

  • Q: Does this fit all 991 GT3 variants?
    A: Yes, direct fit for 2014-2016 Porsche 991 GT3, 2016 GT3 RS and 911 R worldwide with no modifications
  • Q: What material is used?
    A: T304L stainless steel tubing with Burns Stainless collectors and helical valves featuring Inconel bearings
  • Q: What warranty applies?
    A: Fabspeed Lifetime Warranty covers defects in materials and workmanship for the original purchaser

Shipping & Handling

  • Method: UPS Ground or FedEx Ground
  • Availability: In stock - ships same or next business day
  • Packaging: Securely packaged in custom protective box, dimensions 48 x 18 x 12 inches
  • Weight: Shipping weight 45 lbs (20.4 kg)

Request For Information

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