Fabspeed Rennsport Muffler for 997.2 Porsche 911 GT3 & GT3 RS

$4,396.95

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Fabspeed Rennsport Muffler

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SKU: FS.POR.9972GT3.RSMXX Category: Vehicle: Brand:
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Description
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Fabspeed Rennsport Muffler for 997.2 Porsche 911 GT3 & GT3 RS

Many GT3 owners are aware that the OEM mufflers are susceptible to cracking, breaking, and blowing out, especially the titanium mufflers found on GT3RS cars. Fabspeed aimed to develop a muffler replacement that not only addressed this issue but also enhanced the OEM design. Drawing upon their 25+ years of experience with air and water-cooled systems, they enlarged the valve to 2.75 inches (70mm), which is the optimal diameter for GT3 engines to reduce restriction while maintaining high velocity and the distinctive high-pitched sound characteristic of GT3 CUP cars. They also incorporated their signature investment cast x-pipe for optimal exhaust scavenging, effectively merging the two cylinder banks without impeding exhaust flow. To preserve the factory muffler’s exhaust note and prevent drone, they replicated Porsche’s 7-chamber design, resulting in a muffler that is completely free from drone, even when equipped with race headers.

Sound

  • The muffler will produce a tone closely resembling that of the OEM muffler, albeit slightly louder when the PSE is activated. Additionally, it will offer a smoother and more elevated pitch, courtesy of Fabspeed’s distinctive x-pipe design. When combined with Fabspeed’s side muffler bypass pipes, the vehicle’s complete sound profile is unleashed.

Power

  • On their 991.1 GT3RS test car, when combined with side muffler bypass pipes, the rennsport muffler demonstrated a notable increase of 27 ft/lbs of torque at 3,200 rpm. Between 2,900 rpm and 5,700 rpm, it consistently gains 10whp or more, with peak whp rising from 446 to 454. This translates to a gain of 8whp or 9hp at the crank.

Features

  • Constructed from CNC cut T304L stainless steel
  • Designed from 3D scans of the OEM muffler to achieve perfect bolt-on fitment
  • Will not break or crack compared to factory equipment
  • Incorporates signature cast x-pipe for superior flow and exhaust scavenging
  • Paired with our side muffler bypass pipes this muffler adds 27 ft/lbs and +16whp
  • Completely retains PSE valved exhaust functionality
  • No Check Engine Light guaranteed
  • 3 different tip options available
  • Built in house at Fabspeed Motorsport USA in Fort Washington, PA
  • Simple bolt-on installation, no cutting or welding required
  • All Fabspeed performance products are backed by the Fabspeed lifetime warranty

Applications

  • 2010-2012 Porsche 911 GT3: 997.2  |  3.8L F6
  • 2010-2012 Porsche 911 GT3 RS: 997.2  |  3.8L F6

Notes

  • All Fabspeed products are expected to ship within one week of order, though timelines are often much quicker
  • Installing Rennsport muffler requires OEM gaskets and hardware to be reused
  • This cat-back system is emissions legal in all 50 states and the rest of the world

About Fabspeed

Fabspeed Motorsport is situated in Fort Washington, Pennsylvania, within the United States of America. Their extensive 26,000 sqft. facility serves as a hub for various car clubs, including Porsche Club of America, Ferrari, McLaren, Lamborghini, and more. The company is renowned for its comprehensive approach to product development. They handle the entire process, from design and engineering to dyno testing, street trials, and racing assessments, ensuring the quality and performance of every item. Fabspeed also collaborates closely with race engine builders and tuners hailing from Italy, Germany, and the United States, resulting in the creation of the Ultimate Performance parts. To cater to their passionate global audience, Fabspeed meticulously crafts systems using aerospace-grade austenitic stainless steel, titanium, and carbon fiber materials, setting a standard for excellence in the industry.

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