Description
The Porsche 911 (991.2) Carrera and Targa introduced Porsche's advanced 3.0L twin-turbocharged flat-six, delivering impressive performance, exceptional drivability, and everyday refinement. While the factory exhaust prioritizes comfort and noise compliance, it limits the engine's true sound and restricts exhaust flow. The Yonristic Racing High-Flow Valved Exhaust System is engineered to eliminate those compromises, providing a dramatic improvement in exhaust tone, throttle response, and overall driving excitement.
Designed as a complete performance solution, this system combines a high-flow cat-back exhaust with a performance catless downpipe to maximize exhaust efficiency. Larger-diameter mandrel-bent tubing minimizes restriction and reduces backpressure, allowing the turbochargers to spool faster while improving horsepower, torque, and throttle response throughout the RPM range.
At the heart of the system is an electronically controlled dual-valve configuration that offers complete control over your exhaust sound. With the valves closed, the exhaust maintains a refined, comfortable tone that is ideal for daily driving and long-distance cruising. Open the valves, and the flat-six transforms with a deeper, more aggressive exhaust note, sharper turbo response, and an unmistakable motorsport-inspired soundtrack.
Built from premium AISI 304 stainless steel or optional Ti-6Al-4V Grade 5 titanium, every system is hand TIG-welded for exceptional durability, corrosion resistance, and flawless craftsmanship. The titanium version provides substantial weight savings while producing an even sharper, more exotic exhaust note.
The integrated high-flow catless downpipes further improve exhaust velocity by eliminating factory restrictions while maintaining factory O₂ sensor locations for straightforward installation. Combined with the free-flowing cat-back architecture, the result is noticeably improved turbo spool, stronger mid-range acceleration, and significantly increased engine responsiveness.
The system features precision-engineered dual exhaust tips that perfectly complement the timeless rear styling of the 991.2 Carrera and Targa while maintaining OEM-quality fitment.
Every component has been developed using OEM CAD data to ensure precise alignment with factory mounting locations. Installation is completely bolt-on, requiring no cutting, welding, or permanent modifications, allowing the exhaust to be returned to stock if desired.
Whether carving through mountain roads, enjoying spirited weekend drives, or daily commuting, the Yonristic Racing High-Flow Valved Exhaust System transforms the Porsche 991.2 into a far more engaging machine while preserving the refinement expected from Porsche engineering.
Features
Vehicle Fitment
- Porsche 911 Carrera (991.2) — 2015–2019
- Porsche 911 Carrera S (991.2) — 2015–2019
- Porsche 911 Carrera GTS (991.2) — 2015–2019
- Porsche 911 Targa 4 (991.2) — 2015–2019
- Porsche 911 Targa 4S (991.2) — 2015–2019
- Porsche 911 Targa 4 GTS (991.2) — 2015–2019
Engine Compatibility
- 3.0L Twin-Turbocharged Flat-Six
Exhaust Configuration
- Complete high-flow cat-back exhaust system
- High-flow catless performance downpipes
- Mandrel-bent tubing for unrestricted airflow
- Optimized exhaust routing for maximum flow efficiency
- Reduced backpressure and improved turbo response
Valve Control
- Dual electronically controlled exhaust valves
- Wireless remote control included
- Five selectable sound levels
- Immediate valve response
- Quiet cruising mode
- Aggressive performance mode
Materials
AISI 304 Stainless Steel
- Excellent corrosion resistance
- Long-term durability
- Rich, refined exhaust tone
Optional Ti-6Al-4V Grade 5 Titanium
- Up to 65% lighter than OEM
- Significant weight reduction
- Sharper motorsport-inspired sound
- Outstanding heat resistance
Performance Benefits
Estimated gains may vary depending on vehicle modifications and ECU calibration.
- Horsepower Increase: +25–35 HP
- Torque Increase: +20–30 lb-ft
- Faster turbo spool
- Sharper throttle response
- Improved mid-range acceleration
- Increased exhaust flow efficiency
- Reduced backpressure
Construction
- Hand TIG-welded throughout
- Precision CNC-machined flanges
- Mandrel-bent tubing
- Professional clamp connections
- Optional thermal heat shield coating
- Premium polished and frosted finish
Installation
- 100% bolt-on design
- Factory mounting locations retained
- No cutting required
- No welding required
- Fully reversible installation
- Professional installation recommended
Sound Characteristics
Valves Closed
- Refined Porsche exhaust tone
- Comfortable highway cruising
- Minimal cabin drone
- Ideal for daily driving
Valves Open
- Deep twin-turbo flat-six soundtrack
- Aggressive acceleration tone
- Faster-revving exhaust character
- Enhanced turbo spool acoustics
- Motorsport-inspired performance sound
Why Choose Yonristic Performance?
The Yonristic Racing High-Flow Valved Exhaust System has been engineered specifically for Porsche enthusiasts seeking substantial performance improvements without sacrificing daily drivability. By combining premium materials, precision manufacturing, advanced valve technology, and optimized exhaust flow, this system delivers an exceptional balance of power, sound, durability, and OEM-quality fitment.
From relaxed daily commuting to spirited canyon drives and track-day sessions, this exhaust transforms the Porsche 991.2 into a more responsive, engaging, and emotional driving experience while preserving the refinement expected from one of the world's finest sports cars.
