Titanium Valved Catback Exhaust for Porsche 911 991 991.1 991.2 GT3 4.0T
SHIPPING - RETURNS - WARRANTY - CANCELLATION POLICY
*** Market Conditions after 2020 have changed the landscape of automotive parts. Although we try to stock 1000's of items in our multiple warehouse and use multiple distribution channels, having back-orders are unavoidable in today's market. If you are in need of a product quickly, we suggest email, message, or call us for availability so that we may explore your options.
Email: Sales@Speedzoneweb.com
Call: 407-846-8430
Text: 407-749-6314
Frequently Asked Questions
Upgrade your Porsche 991 GT3 / GT3 RS with the STRATEC Valved Sport Exhaust System, engineered to deliver an aggressive, motorsport-inspired exhaust note while maintaining refined drivability. Designed to maximize the sound potential of Porsche’s high-revving flat-six engine, this system produces a sharp, high-pitched tone reminiscent of race-bred performance.
Featuring 2.5-inch mandrel-bent piping, an optimized X-pipe design, and extended loop sections, this exhaust enhances airflow, improves throttle response, and amplifies the engine’s signature high-frequency scream. With valves open, it delivers an aggressive, track-focused sound with crackles and dramatic overrun effects. With valves closed, it provides a more subdued tone for comfortable daily driving with minimal cabin drone.
Built for enthusiasts who demand both sound performance and refinement, this system offers a balanced blend of race-inspired tone and street-friendly usability.
Key Features
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Valved exhaust system with switchable sound modes
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High-pitch, motorsport-inspired exhaust tone
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2.5-inch mandrel-bent piping for optimized flow
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Performance-focused X-pipe design
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Extended loop sections to enhance sound pitch
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Aggressive crackle and flame potential with proper tuning
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Engineered to minimize unwanted cabin drone
Vehicle Fitment
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2014–2019 Porsche 991 GT3
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2016–2019 Porsche 991 GT3 RS
The STRATEC Valved Sport Exhaust System delivers an uncompromising sound upgrade for GT3 owners seeking a sharper, louder, and more race-inspired driving experience.
Our History
For 26 years Speedzone Performance LLC has been providing aftermarket car parts to Central Floridians and 1000's of customers online. What makes us different than all the other places online? We have 3 actual brick and mortar locations where were serve customers daily and find new ways to provide support and assistance to the automotive community at large. From our in house SPDZ1 Brand, to our constantly growing in stock inventory, we strive to make our customer service and ease of purchase stand out from the rest! We are also one of the largest automotive part financing providers anywhere in the United States, and continue to provide more options for our customers every year. We love what we do, and it shows in every product we sell and every new customer who becomes a part of our Speedzone Family.