Valvetronic Valved Sport Exhaust System for Porsche GT3/RS 991.1 / 991.2
POR.991.GT3.VSES.BR
Porsche 991 GT3 / GT3 RS – Valved Sport Exhaust System
F1-Inspired • RSR Sound • 9000 RPM Symphony
Overview
This system is truly unparalleled in sound quality. After over a year and a half of dedicated research and development, we’ve engineered an exhaust experience that must be heard to be believed.
When Porsche introduced the DFI engine in the 991 GT3, many feared it would lack the soul of the legendary Mezger. But with a screaming 9,000 RPM flat-six, Porsche delivered in spades. Still, the factory setup leaves much to be desired when it comes to rawness and that elusive F1-style sound.
At Valvetronic Designs, we’ve crafted a system that elevates your GT3 experience. Featuring 2.5-inch piping, a large stamped cross-section X-pipe, and added loop sections to lengthen the exhaust path, this setup achieves the high-pitch motorsport tone enthusiasts crave. Combine it with our free-flow headers, and your 991 becomes one of the most exhilarating sounding machines on the road.
Sound Dynamics
This exhaust is designed to emulate the Porsche RSR race car:
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Valves Open: An uncompromising sound experience with aggressive flames on upshifts and a crescendo that builds all the way to the 9000 RPM redline. Pure F1-inspired drama.
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Valves Closed: Volume is tamed for comfort on long motorway drives or early-morning starts. Cabin drone is eliminated, keeping the experience refined even with valves shut.
Features
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Full 2.5-inch system from front to back
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Large stamped cross-section X-pipe for F1 tone
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Added loop sections for enhanced sound pitch
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Optional free-flow headers for maximum performance and sound quality
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Vacuum-actuated exhaust valves with factory-like operation
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Precision TIG welds for high strength and durability
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100% reversible – always able to return to stock
Fitment
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2014–2019 Porsche 991 GT3
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2016–2019 Porsche 991 GT3 RS
Valvetronic Valved Sport Exhaust System for Porsche GT3/RS 991.1 / 991.2
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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Shipping Information
Most in-stock items ship within 2–3 business days from our U.S. warehouse or directly from the manufacturer. Custom or made-to-order parts may have extended lead times, which will be noted on the product page.
Once your order ships, you’ll receive tracking details via email.
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Customer Support
Need help with fitment, product details, or installation? Our team of enthusiasts is here to help.
You can reach us anytime through our contact form or at info@houseoffuel.co — we typically respond within 24 hours on weekdays.
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FAQ’s
Common questions are answered directly on our [FAQ page], including details about shipping, returns, warranty coverage, and how to verify product fitment.
If you can’t find what you’re looking for, just reach out — we’ll make sure you get the right information before you order.
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Contact Us
Have a specific question or request? Use our contact form or email us at info@houseoffuel.co.
We’re available Monday–Friday and typically respond within one business day. For partnership or dealer inquiries, please include your company information and brand interest.
FAQs
Please read our FAQs page to find out more.
How do I know if a part fits my car?
Every product page includes detailed fitment information covering model, year, and variant. If you’re unsure, reach out to our team with your VIN or vehicle details — we’ll confirm compatibility before you order. Our goal is to ensure every part fits the first time.
Are you an authorized dealer for the brands you carry?
Yes. House of Fuel works directly with our manufacturing partners and authorized distributors to guarantee 100% authentic products. This ensures you receive genuine parts backed by the full manufacturer warranty and support.
How long does shipping take?
In-stock items typically ship within 2–3 business days. Lead times for made-to-order or imported parts vary by brand, and estimated delivery windows are listed on each product page. You’ll receive tracking as soon as your order ships!
What is your return policy?
We accept returns within 14 days of delivery on new, unused items in their original packaging. Custom, special-order, or electronic components may be non-returnable. For all return requests, contact us first — we’ll help you through the process quickly.
Can I order a part that isn’t listed on the site?
Yes. If you’re looking for a specific brand or part not currently on the website, send us a message. Our sourcing team can often locate or special order it directly from the manufacturer or distributor network.