Porsche 718 GT4 Titanium Valved Catback Exhaust System

Porsche 718 GT4 Titanium Catback Exhaust System

Engineered for one of Porsche’s most driver-focused platforms, this titanium catback system unlocks the raw, high-revving character of the 718 GT4. Lighter, sharper, and far more emotional—this is the sound and performance the flat-six was built to deliver.

Price

$3,499.99

Fitment

• Porsche 718 Cayman GT4 (2020+)
• Direct bolt-on catback system — no cutting or permanent modifications required
• Precision-designed for OEM mounting points and factory alignment
• Fully compatible with OEM exhaust valve operation and drive modes

Sound Character

The 4.0L naturally aspirated flat-six is already special—this system makes it unforgettable.

• Valves Closed: Refined, deep tone with a smooth, controlled presence. Ideal for street driving with minimal drone.
• Valves Open: High-pitched, motorsport-inspired scream with increased volume and razor-sharp top-end. Crisp throttle response, aggressive overrun crackles, and a pure, analog exhaust note.
• Overall Profile: Titanium enhances higher frequencies, delivering a sharper, more exotic tone with improved clarity and less restriction compared to stock.

Materials & Engineering

• Constructed from aerospace-grade titanium for maximum strength-to-weight ratio
• Significant weight reduction vs. OEM exhaust for improved handling and responsiveness
• Precision TIG-welded for durability and a clean, high-end finish
• Mandrel-bent tubing ensures optimal exhaust flow and minimal backpressure
• Excellent heat resistance to manage high-performance driving conditions
• Integrated valved system retains full OEM functionality

Performance Benefits

• Increased exhaust flow for improved horsepower and throttle response
• Reduced overall system weight for sharper driving dynamics
• Faster engine response and improved top-end pull
• Enhanced driver engagement through sound and feedback

What’s in the Box

• Full titanium catback exhaust system (mid-pipes + rear section)
• Integrated valved muffler assembly
• All required clamps, hardware, and gaskets
• Plug-and-play valve control components
• Installation guide

Why This System

The 718 GT4 is built around precision and connection—but the factory exhaust leaves performance and emotion on the table. This titanium system removes those restrictions, delivering a lighter, louder, and more engaging driving experience that matches the car’s true capability.

For drivers who want every shift, every rev, and every drive to feel like an event—this is the upgrade that completes the GT4.