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Description
Fabspeed OEM Center Muffler Reinforcement - 997/991 Porsche GT3 | GT3RSThe GT3 Muffler Reinforcement Brace is designed to extend the fatigue life of the factory muffler. The OEM mufflers metal skin fractures due to an "oil can" effect. The varying internal pressures generated by the exhaust gases cause a repeated expansion and contraction leading to a classic fatigue failure. The Fabspeed brace is designed to reduce the magnitude of this deflection resulting in a longer service life. This small modification can save you
The GT3 Muffler Reinforcement Brace is designed to extend the fatigue life of the factory muffler. The OEM muffler’s metal skin fractures due to an "oil can" effect. The varying internal pressures generated by the exhaust gases cause a repeated expansion and contraction leading to a classic fatigue failure. The Fabspeed brace is designed to reduce the magnitude of this deflection resulting in a longer service life. This small modification can save you a trip to the dealer and potentially $2500 which is the cost of replacement for a factory OEM Muffler.
Features:
- Fits all Porsche OEM center mufflers on all 997 GT3/GT3RS, 997.2 GT3/GT3RS, 991 GT3/GT3RS, 991.2 GT3/GT3RS and 911 R cars world wide.
- 11 gauge T 304L stainless steel construction- works with both stainless steel and titanium Porsche center mufflers.
- Simple slip-on installation, designed to mount using the factory GT3 center muffler straps to the back of all Porsche OEM GT3 center mufflers.
- Designed to greatly improve the longevity of the OEM Muffler by preventing metal fatigue and also stop 1200 degree exhaust gas in the event of a muffler failure from damaging your car.
- All Fabspeed Performance Products are backed by the Fabspeed Lifetime Limited Warranty
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.2 ★★★★★
Based on 30 reviews
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Product Reviews
★★★★★ 5
Good Relay
Works very well
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Reviewed in the United States on August 27, 2024
★★★★★ 3
Functional. Be careful when tightening nuts...strips very easy
Quality is questionable. The poles will strip way to easy. So be careful when fighting down. I had to use a stack of washers on top of wire to keep the nut tight. As far as functionality goes ..been doing great for over a month.
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Reviewed in the United States on March 6, 2025
★★★★★ 5
Well needed
Great for the price
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Reviewed in the United States on January 28, 2026
★★★★★ 4
Happy happy
Not bad kind of pricey that's all definitely would buy from them again
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Reviewed in the United States on February 4, 2026
★★★★★ 5
Heavy-Duty 4 AWG Cable With Flexible Insulation
Size: 10ft, Color: 4awg
I am satisfied with this 4 AWG cable. The insulation coating is soft, and the cable itself is very pliable, making it easy to bend and route into the configuration needed for installation. Despite the flexibility, it still feels like a heavy-duty cable designed to handle demanding applications.
I am using this cable to provide the necessary amperage to start the generator on my trailer, and it performs as expected. I also like that the wire gauge and cable properties are clearly printed along the side of the insulation, making identification easy during installation or future maintenance.
The cable arrived in good condition with no obvious odor from the insulation or packaging. Overall, this appears to be a quality heavy-duty cable that is flexible, easy to work with, and suitable for high-current applications.
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Reviewed in the United States on May 8, 2026