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OEM Center Muffler Reinforcement
A reinforcement brace for the Porsche GT3's OEM center muffler, designed to extend its fatigue life. GT3 center mufflers can fracture from an "oil can" effect, where varying internal exhaust pressure repeatedly flexes the metal skin until it fails from fatigue, sometimes worsened by backfires at track events. The Fabspeed brace reduces that flexing, potentially saving the cost of a replacement muffler ($2,500 for stainless, over $6,000 for titanium GT3RS/911R units). It's built from 11-gauge T304L stainless steel and slips onto the factory muffler using the existing GT3 center muffler straps, working with both stainless and titanium units. Fits all Porsche 997/997.2/991/991.2 GT3 and GT3RS, and 911 R center mufflers worldwide, as well as GT3 Cup cars and air-cooled 964/993 cars running a GT3 center muffler.
Frequently asked
Which cars does the OEM Center Muffler Reinforcement fit?
Fits your Porsche 997.2 GT3. This piece fits a wide range of models. Exact fitment for your car, year and options is confirmed on your free consult before anything is ordered.
What does the price include?
The delivered price includes the part from Fabspeed USA, freight to Australia, import costs and GST. Enter your postcode to refine delivery; the final figure is confirmed on consult.
How long until it arrives?
Every Fabspeed part is made in-house at Fabspeed USA with about a one-week production lead time, then allow another 3-4 days for delivery to Australia via UPS. That freight is already included in the price.
Why do factory center mufflers fail?
Varying internal exhaust pressure repeatedly flexes the muffler's metal skin (an "oil can" effect) until it cracks from fatigue, sometimes worsened by track-day backfires.
How much could this save me?
A replacement factory muffler costs about $2,500 for stainless, or over $6,000 for the titanium GT3RS/911R unit; the brace is designed to help avoid that repair.
Does it work with titanium mufflers?
Yes, it works with both stainless steel and titanium Porsche OEM center mufflers.
Who installs it?
Rennen Motorsport in Adelaide, or an authorised dealer near you. Fitting it yourself may also be an option depending on the part, so raise it on your consult; professional installation is quoted separately.
Is it covered by warranty?
Fabspeed products carry the manufacturer's warranty, supported locally through Rennen Plus as the Australian principal. See our returns policy.
Can I just buy this outright, or do I need to talk to someone first?
Every enquiry, whether it's one part or a full build, starts with a free consult. We confirm the exact spec for your car before anything is quoted or ordered.
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