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SKU: POR.991GT3.SHDR
Fabspeed Porsche 991 GT3 / GT3 RS Sport Headers (2014-2016)
Replace restrictive OEM headers on your 2014-2016 Porsche 991 GT3 or GT3 RS with Fabspeed Sport Headers for immediate power gains and sharper throttle response across the entire RPM range. These direct-fit headers include premium German HJS 200-cell tri-metallic sport catalytic converters that flow like straight pipes while preventing check engine lights. Crafted from durable T304 stainless steel they reduce weight by 2 lbs at the rear for better handling balance.
Key Features
- Precise Fitment: Designed for all Porsche 991 GT3 and GT3 RS models from 2014 to 2016 with direct bolt-on installation
- HJS 200-Cell Sport Cats: Imported from Germany these high-flow converters deliver 93-95% straight-pipe performance with emissions scrubbing to avoid CEL guaranteed
- Weight Reduction: Saves 2 lbs compared to OEM headers improving rear weight distribution and agility
- CNC Mandrel-Bent Tubes: One-piece primary tubes ensure smooth exhaust flow with a high-velocity motorsports-style merge collector
- T304 Stainless Steel Construction: Corrosion-resistant material built for long-term durability and track-ready performance
- Fabspeed Lifetime Warranty: Covers all performance products against defects for peace of mind
Product Notes
- Sport catalytic converters intended for closed track events and off-road use only check local state and federal laws before installation
- HJS converters use premium materials for sustained high flow and sound without rapid deterioration
- Ships securely packaged to prevent damage during transit
Installation Notes
- Professional installation recommended.
- After initial heat cycle tighten all exhaust bolts to OEM torque specs for proper seal
- Direct replacement uses existing OEM hardware and mounting points
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2014-2016 | Porsche | 911 | GT3 |
| 2016 | Porsche | 911 | GT3 RS |
Why Choose Fabspeed?
- Proven leader in Porsche exhaust systems with motorsports heritage
- Engineered for real-world power gains and reliability on track or street
- Handcrafted in the USA with focus on precision fit and flow dynamics
Frequently Asked Questions
-
Q: Does this fit 2014-2016 Porsche 991 GT3 RS models?
A: Yes direct bolt-on fit for all 2014-2016 Porsche 991 GT3 and 2016 GT3 RS vehicles no modifications required -
Q: What material are the headers made from?
A: Heavy-duty T304 stainless steel for rust resistance and heat tolerance ideal for performance driving -
Q: What warranty comes with this product?
A: Fabspeed Lifetime Warranty backs every product against manufacturing defects
Shipping & Handling
- Method: UPS Ground or FedEx Ground
- Availability: In stock - ships same or next business day
- Packaging: Custom protective box 50 x 15 x 15 inches
- Weight: 28 lbs
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...
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