Fabspeed Porsche GT3 / GT3 RS Titanium Rennsport Muffler (2006-2019)
- Regular price
- $6,295.95
- Regular price
-
- Sale price
- $6,295.95
- Unit price
- per
Vendor : Fabspeed
Sku : FS.POR.GT3.RSMCF
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The ULTIMATE OEM-Style High-Performance Titanium Replacement Muffler for Your GT3
As many GT3 owners know, the OEM mufflers are prone to cracking, breaking, and ultimately failing over time—particularly the factory titanium mufflers found on GT3 RS models. Our goal was to engineer a replacement that not only eliminates these durability concerns but also elevates performance, sound, and overall quality beyond the factory design.
Drawing on more than 30 years of experience engineering exhaust systems for Porsche and other exotic performance vehicles, Fabspeed developed a completely reimagined titanium muffler that delivers exceptional strength, significant weight savings, and superior exhaust flow without compromising the refined character of the GT3.
To maximize performance, we increased the valve-open tubing diameter to 2.75 inches (70 mm)—the optimal size for the naturally aspirated GT3 engine. This provides the ideal balance of low exhaust restriction while maintaining high exhaust gas velocity, preserving the unmistakable high-frequency GT3 exhaust note inspired by the legendary Porsche GT3 Cup race cars.
At the heart of the system is Fabspeed's signature investment-cast X-pipe, engineered to optimize exhaust scavenging by efficiently merging both cylinder banks without introducing unnecessary turbulence or restriction. The result is improved cylinder evacuation, enhanced mid-range torque, and a smoother, more responsive power delivery.
To preserve the refined driving characteristics expected from a GT3, we carefully replicated Porsche's seven-chamber internal muffler architecture. This delivers an exhaust note remarkably close to OEM with the valves closed while remaining completely drone-free—even when paired with catless race headers. With Porsche Sport Exhaust (PSE) activated, the titanium construction and optimized internal flow produce a more aggressive, smoother, and higher-pitched exhaust note without becoming intrusive.
When combined with our Side Muffler Bypass Pipes, this system creates the ultimate emissions-compliant GT3 exhaust package.
Most importantly, this titanium muffler has been engineered for long-term durability and is designed to eliminate the cracking and structural failures commonly experienced with the factory muffler.
Sound:
The Rennsport Titanium Muffler retains the refined OEM character while delivering a more engaging driving experience. With the PSE valves open, the exhaust becomes noticeably louder, smoother, and sharper in tone thanks to the optimized flow path and signature Fabspeed X-pipe, producing the unmistakable motorsport-inspired sound expected from a GT3.
Performance:
On our Porsche 991.1 GT3 RS development vehicle, paired with our Side Muffler Bypass Pipes, the Rennsport Titanium Muffler produced gains of 27 lb-ft of torque at 3,200 RPM. From 2,900 RPM through 5,700 RPM, the system generated gains of 10 wheel horsepower or more, with peak output increasing from 446 WHP to 454 WHP—an improvement of 8 wheel horsepower (approximately 9 horsepower at the crank).
Features:
- Fits all Porsche GT3 and GT3 RS models from the 997.1 to the 991.2 (2006–2019) worldwide
- Constructed entirely from premium aerospace-grade titanium for exceptional strength, corrosion resistance, and significant weight reduction
- Lightweight titanium construction improves vehicle dynamics while maintaining outstanding durability under extreme temperatures
- Designed from precise 3D scans of the OEM muffler to ensure perfect bolt-on fitment
- Engineered to eliminate the cracking and structural failures commonly associated with the factory muffler
- Incorporates Fabspeed's signature investment-cast X-pipe for superior exhaust scavenging and maximum flow
- Produces gains of +27 lb-ft of torque and +16 WHP (approximately +18 HP at the crank) when paired with Fabspeed Side Muffler Bypass Pipes
- Available with three premium exhaust tip options
- Fully retains factory Porsche Sport Exhaust (PSE) valve functionality
- Guaranteed Check Engine Light-free operation
- Cat-back design remains emissions compliant in all 50 states and international markets
- Precision engineered and manufactured in-house at Fabspeed Motorsport in Fort Washington, Pennsylvania
- Simple direct bolt-on installation with no cutting or welding required
- Backed by the Fabspeed Motorsport Lifetime Warranty
NOTE:
- Requires OEM gaskets and hardware to be reused
- If they are not available here are the necessary part numbers.
- 2x Muffler band straps (99711111970)
- 2x Bolt for muffler band strap (90006736201)
- 2x Each Side Muffler to Center Muffler Gaskets (99711156390, 99711156190)
All domestic orders will be shipped to the verified billing address associated with the customer’s credit card. In the event that the products need to be shipped to another address, Millaracing will verify the transaction with the customer by requesting a screenshot of our transaction on the customers online banking.
Millaracing strives to ship "In-Stock" orders within 48 hours of receiving the order. Shipping times may vary depending on the contents of your order. Millaracing does not ship partial orders unless requested by the customer, at which time additional shipping charges may apply. If you need your order by a specific date, it is important to contact us by phone so that we may assist you. All dates provided are based on estimates given by the supplier. Millaracing does not guarantee ship dates as delivery times are subject to change. All shipping times are based on our Monday through Friday business hours. Orders will not be shipped from our facility on Saturday or Sunday. Shipping Charges are non-refundable.
International Orders
Please be advised that your country may impose duty fees, or other taxes based on the product origin and/or value. These fees and taxes are based on your country's import policy, and may be imposed in addition to the purchase price and shipping/handling fees collected by us prior to shipment. All such fees and taxes are the sole responsibility of the recipient and any and all charges incurred by Millaracing will be charged to the customer. Millaracing is not responsible for such fees/taxes on returned items. If you are concerned about possible additional charges, please contact your local Import/Customs authority for more information. All charges, sales, returns, and exchanges will be calculated in US dollars. Millaracing is not responsible for fluctuations in currency value. International customers are responsible for understanding their country's international buying laws, and should be aware that all international purchases are subject to additional brokerage, duty or tax fees that are collected at the time of delivery unless otherwise noted by Millaracing. Millaracing is not responsible for these charges as we have no affiliation with tax systems set forth by international countries. If the consignee/receiver refuses to pay these additional charges at the time of delivery, Millaracing will instruct the shipping carrier to abandon the package. Abandoned packages are destroyed at the shipping warehouse at your local pick up facility. Millaracing will not be held responsible for any abandoned packages due to these circumstances.
Damaged/Missing Items in Shipment - If you've received a damaged product you MUST notify the Customer Service Department (CSD) of the shipping carrier (ex: UPS, FedEx) within twenty-one days to initiate a damaged package claim. It is required that you keep all of the packaging material, box(es) and broken product(s) until the shipping carrier completes the investigation. Failure to report damaged items from an order before forwarding, re-shipping or transferring the shipment to another location will result in immediate claim denial.
If you are missing any products from your order, you MUST notify the CSD within thirty days of receiving the items.
If you fail to report damaged and/or missing items in your shipment within the timeframe outline above, replacement products will not be shipped out under any circumstances. Failure to report missing items from an order before forwarding, re-shipping or transferring the shipment to another location will result in immediate claim denial.
Freight orders are excluded from this policy as it is the responsibility of the recipient to confirm that the goods are in new condition, without damage and that the order is complete before signing for the delivery.
Lost Packages: If you do not receive your package and the tracking information shows that the package has been delivered you must notify us within three days of the marked delivery date so that we can initiate a lost package tracer with the shipping carrier you have originally selected. Replacement products will not be sent until the shipping carrier completes the tracer request and grants permission for replacement product to be shipped UPS typically requires up to eight business days from the time the claim is started. USPS can require from five to ninety business days, depending on your country's time requirement that has been set forth. FedEx can require from twenty-one to twenty-eight business days from the time the claim is started. Please note that this is the policy of the shipper and not of Millaracing. Millaracing does not guarantee that any packages will be credited by the shipping carrier until this process is complete.
Millaracing will not provide refunds for any lost package under any circumstances.
