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
Click to zoom in

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

Have questions about ? Fill out the form below and we'll get back to you by the next business day.
Exhaust Systems

Exhaust Systems

Black Ops Auto Works carries one of the largest selections of performance exhaust systems available online, with 7,700+ products covering cat-back exhausts, axle-back exhausts, turbo-back systems, downpipes, headers, mid-pipes, X-pipes, H-pipes, mufflers, resonators, catalytic converters, exhaust tips, and every component in between. Whether you're building a street car, a daily driver, a diesel truck, or a track build, the right exhaust upgrade is here. Shop by Exhaust System Type Cat-Back Exhaust Systems: The most popular performance exhaust upgrade. Replaces everything from the catalytic converter back for improved sound, better flow, and premium tip styling. Available in single exit, dual exit, and quad exit configurations. Axle-Back Exhaust Systems: A simpler bolt-on that replaces the rear section from the axle back. Best for drivers who want an improved exhaust note and cleaner tip appearance without a full system swap. Headers and Manifolds: Long tube headers and shorty h...

View Exhaust Systems Products
Fabspeed

Fabspeed

Fabspeed Motorsport is a Pennsylvania-based performance parts manufacturer that specializes in exhaust systems, sport catalytic converters, headers, downpipes, intake systems, and carbon fiber components engineered specifically for exotic and high-performance European sports cars including Porsche, Ferrari, Lamborghini, McLaren, BMW M, and Audi R8. Every Fabspeed product is TIG-welded from aerospace-grade stainless steel or titanium in the USA, dyno-tested for measurable power and sound improvement, and designed as a direct bolt-on replacement that preserves the factory catalytic converter monitoring system or provides an explicit sport cat solution for emissions-compliant upgrades. Exotic car owners who have already maximized software and cosmetic modifications choose Fabspeed exhaust systems because the brand's specialty focus on a narrow range of platforms produces fit quality and sound character that universal exhaust manufacturers cannot achieve. The brand's XperTune ECU calibr...

View Fabspeed Products
Headers & Manifolds

Headers & Manifolds

Performance headers and exhaust manifolds are among the most effective bolt-on upgrades for improving exhaust scavenging, increasing horsepower, and giving your engine a more aggressive exhaust note. Whether you're building a street machine, a track car, or a diesel work truck, the right header or manifold set unlocks real performance gains across the RPM range. Popular Upgrades Top-selling header and manifold products include long-tube headers from BBK and Kooks for V8 muscle cars and trucks, stainless steel shorty headers from Stainless Works for tight engine bay fitments, high-flow cast iron exhaust manifolds for diesel platforms from BD Diesel and ATS Diesel, and turbo manifolds from aFe Power and Invidia for forced-induction builds requiring optimized turbo positioning. What is the difference between long-tube and shorty headers? Long-tube headers route exhaust primaries farther down the chassis before merging at a collector, which improves mid-range and top-end power but requi...

View Headers & Manifolds Products
Porsche Parts & Accessories

Porsche Parts & Accessories

Shop Porsche parts and accessories at Black Ops Auto Works for 911, Cayman, Boxster, Macan, Cayenne, Panamera, 718, 996, 997, 991, 992, 986, 987, 981, 982, 964, 993, 944 Turbo, GT3, GT3 RS, GT4, Turbo, Carrera, and performance Porsche builds. This collection includes exhaust systems, muffler bypass pipes, sport cats, downpipes, suspension upgrades, coilovers, sway bars, shocks, struts, brake pads, brake rotors, caliper rebuild kits, carbon fiber exterior parts, intake systems, air filters, cooling parts, wheel spacers, wheel bolts, drivetrain upgrades, engine parts, valve guides, fuel injectors, and Porsche styling accessories. Use this Porsche collection to find the right upgrade by model, chassis code, product category, brand, and driving goal. Exhaust and intake upgrades help improve sound and airflow, brake upgrades support stronger stopping power, suspension parts improve handling and ride control, carbon fiber parts add lightweight styling, cooling parts support demanding driv...

View Porsche Parts & Accessories Products
Military & First Responder Discounts

Military & First Responder Discount Program

Black Ops Auto Works proudly honors active duty military, veterans, National Guard, reserves, police officers, firefighters, and EMTs with an exclusive 5% discount on all performance parts and carbon fiber upgrades. Verify instantly and start saving today.

Learn More & Apply

Your cart

×