SKU: POR.718.SSCF
Fabspeed Porsche 718 Boxster/Cayman Maxflo Cat-Back Exhaust System (2017+)
Fabspeed Motorsport’s Maxflo Cat-Back Exhaust System replaces the rear exhaust section on 2017+ Porsche 718 Boxster and Cayman models with a freer-flowing lightweight design that saves 18 lbs or 8.2 kg. This upgrade delivers dyno-proven gains of 4 whp and 11 ft-lbs of torque at peak while unlocking up to 19 whp and 20 ft-lbs at 5000 RPM for improved drivability and high-RPM pull. Drivers enjoy a deeper boxer engine rumble with refined Porsche tone pops on overrun and no cabin drone.
Key Features
- Weight Savings: Reduces rear exhaust weight by 18 lbs (8.2 kg) compared to stock for sharper handling and agility
- Power Gains: Adds 4 whp and 11 ft-lbs peak torque on stock vehicle plus 8 whp and 11 ft-lbs at 3500 RPM and 19 whp 20 ft-lbs at 5000 RPM
- Exhaust Sound: Produces deeper rumble refined Porsche boxer tone with cracks and pops in Sport mode slight turbo spool increase and zero drone for daily driving
- Construction: Crafted from T304L stainless steel with fully polished 4-inch tips for durability corrosion resistance and show-car aesthetics
- Flow Design: Maxflo performance mufflers enhance exhaust flow from factory cats for better breathing and throttle response
Product Notes
- Direct bolt-on replacement requires no vehicle modifications or tuning
- Pair with Fabspeed Sport Cats for even more power and turbo sound
- Includes Fabspeed Lifetime Structural Warranty on welds and material defects
Installation Notes
- Professional installation recommended.
- Bolts directly to factory catalytic converters using OEM hangers and clamps
- All necessary gaskets hardware and instructions provided for 2-3 hour install
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2017-2024 | Porsche | 718 Boxster | Base 2.0T S 2.5T GTS 2.5T Spyder 2.5T |
| 2017-2024 | Porsche | 718 Cayman | Base 2.0T S 2.5T GTS 2.5T |
Why Choose Fabspeed?
- Leading authority in Porsche exhaust systems with decades of motorsport experience
- Handbuilt in USA using premium T304L stainless steel for lasting performance
- Dyno-tested on real vehicles to ensure measurable power sound and weight benefits
Frequently Asked Questions
- Q: Will this fit Porsche 718 GTS 4.0 models?
A: This Maxflo Cat-Back fits turbocharged 2.0L and 2.5L 718 Boxster and Cayman models. GTS 4.0 NA engines require Fabspeed part POR-718-GTS40-CB. - Q: What materials are used in construction?
A: T304L stainless steel tubing and Maxflo mufflers with double-walled fully polished 4-inch slash-cut tips for heat resistance and mirror finish. - Q: What warranty coverage is provided?
A: Fabspeed Lifetime Structural Warranty covers manufacturing defects welds and material failure when installed by certified shop.
Shipping & Handling
- Method: Free ground shipping in continental US via UPS or FedEx
- Availability: In stock – ships same or next business day
- Packaging: Securely boxed with foam protection dimensions 42 x 20 x 14 inches
- Weight: 22 lbs shipping weight
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