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SKU: POR.981GT4.GT420PKGCF
Fabspeed Porsche 981 Cayman GT4 Fabspeed GT420 STREET Performance Package (2015-2016)
This complete bolt-on performance package transforms your Porsche 981 Cayman GT4 or Spyder with over 400 horsepower at the crank while keeping catalysts intact. Designed for street use, it includes exhaust, headers, plenum, air filters, and tuner for immediate gains without engine swaps or extended downtime. Outperform a 911 Carrera GTS right away with dyno-proven +51 HP and +48 ft/lbs torque boosts.
Key Features
- Power Delivery: Achieves 418 HP crank / 363 wheel HP and 361 crank HP / 316 ft/lbs torque on Spyder dyno tests, raising peak power +30 HP and +20.4 ft/lbs
- Complete Components: Valvetronic Exhaust System, Sport Headers, IPD Competition Plenum with 82mm Throttle Body, BMC F1 Air Filters, Handheld Tuner with GT420 XperTune
- Exhaust Options: Matte carbon fiber tips or single-wall stainless race tips, all bolt-on with no cutting or welding
- Catalyst Performance: HJS German catalytic converters flow 93-95% of straight pipe for sound and power without check engine lights
- Tuner Access: Handheld device switches tunes easily, developed with Porsche engine builders and race teams worldwide
Product Notes
- Fits all 2015-2016 Porsche 981 Cayman GT4 and Spyder models
- All parts backed by Fabspeed Lifetime Warranty
- Ships in secure packaging with multiple boxes for protection
Installation Notes
- Professional installation recommended.
- After initial heat cycle, tighten all exhaust bolts to OEM torque specs for proper header seal
- Bolt-on design uses factory hardware, no modifications required
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2015-2016 | Porsche | Cayman | GT4 |
| 2016 | Porsche | Boxster | Spyder |
Why Choose Fabspeed?
- Products dyno-tested with pro Porsche builders and global race teams
- High-grade materials like HJS catalysts avoid cheap imports
- Lifetime Warranty covers all components for long-term reliability
Frequently Asked Questions
-
Q: Will this package fit my 2016 Cayman GT4?
A: Yes, designed specifically for all 2015-2016 Porsche 981 Cayman GT4 and Spyder models with direct bolt-on fitment. -
Q: What exhaust tip options are available?
A: Choose real matte carbon fiber tips or in-house made single-wall stainless steel tips for a racecar appearance. -
Q: What warranty comes with this package?
A: Every Fabspeed product including this GT420 package is covered by the Lifetime Warranty against defects.
Shipping & Handling
- Method: UPS Ground or FedEx
- Availability: In stock - ships same or next business day
- Packaging: Multiple boxes, approx 30x20x15 inches total
- Weight: Approximately 45 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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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...
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