Porsche 718 GT4RS Titanium Valved Catback Exhaust System

Porsche 718 GT4 RS Titanium Exhaust System

Engineered for the most extreme mid-engine Porsche ever built, this titanium exhaust system unlocks the full intensity of the 718 GT4 RS. Lighter, sharper, and far more emotional—this is the sound and performance the naturally aspirated 4.0L flat-six was truly designed to deliver.

Price

$4,799.99

Fitment

• Porsche 718 Cayman GT4 RS (2022+)
• Direct bolt-on exhaust system — no cutting or permanent modifications required
• Precision-engineered for OEM mounting points and factory alignment
• Fully compatible with factory exhaust valve controls and drive modes

Sound Character

The GT4 RS is already the most aggressive Cayman ever produced—this system elevates it to motorsport territory.

• Valves Closed: Controlled, refined tone with a deeper, more composed presence for street driving. Minimal drone while retaining character.
• Valves Open: Unfiltered high-RPM symphony—razor-sharp flat-six scream, immediate throttle response, and an extended, race-derived top-end that builds violently toward redline.
• Overall Profile: Titanium construction amplifies high-frequency clarity, delivering a sharper, more exotic, and more motorsport-inspired sound with reduced restriction and improved acoustic definition.

Materials & Engineering

• Constructed from aerospace-grade titanium for maximum strength-to-weight ratio
• Significant weight reduction vs. OEM exhaust system for improved agility and responsiveness
• Precision TIG-welded for durability and a clean, motorsport-grade finish
• Mandrel-bent tubing ensures optimal exhaust flow and minimal restriction
• Exceptional heat resistance designed for sustained high-RPM and track use
• Engineered to preserve OEM valve functionality while maximizing flow efficiency

Performance Benefits

• Increased exhaust flow for improved horsepower and throttle response
• Reduced overall system weight for sharper handling dynamics
• Faster engine response and improved high-RPM performance
• Enhanced driver engagement through sharper sound and feedback

What’s in the Box

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

Why This System

The 718 GT4 RS is already a track-focused masterpiece—but factory exhaust tuning still leaves acoustic and weight potential on the table. This titanium system removes those limitations, delivering a more visceral, more responsive, and more emotionally charged driving experience.

For enthusiasts who want every shift, every rev, and every redline to feel like a full-throttle event—this is the exhaust that defines the GT4 RS experience.