Description
Porsche Rennsport Muffler For Porsche 991 GT3 (2014-2016), 991 GT3 RS (2016) Models.
Rennsport Muffler for Porsche 991 GT3 / GT3 RS
The ULTIMATE OEM-style high-performance replacement muffler for your GT3! Recognizing the common issue of OEM mufflers cracking, breaking, and blowing out, especially the titanium ones on GT3 RS cars, Fabspeed designed a replacement that addresses this while improving upon the original design.
The valve-open tubing diameter was increased to 2.75 inches / 70mm, identified as the optimal size for GT3 engines to ensure low restriction while maintaining high velocity and the signature high-pitched GT3 CUP car sound. Fabspeed’s signature investment-cast X-pipe was integrated for optimal exhaust scavenging, merging the two cylinder banks without creating any flow restriction. To replicate the factory muffler’s exhaust note and eliminate drone, Porsches 7-chamber design was mimicked. This results in a completely drone-free muffler, even when used with catless race headers.
Key Features:
- Guaranteed to NEVER break or fail.
- Constructed from CNC-cut T304L stainless steel.
- Designed from 3D scans of the OEM muffler for perfect bolt-on fitment.
- Will not break or crack like OEM GT3 mufflers.
- Incorporates Fabspeed’s signature cast X-pipe for superior flow and exhaust scavenging.
- When paired with Fabspeed’s Side Muffler Bypass Pipes, this muffler adds +27 ft/lbs of TQ and +16 WHP (or +18 HP at the crank).
- 3 different tip options available.
- Completely retains PSE (Porsche Sport Exhaust) valved exhaust functionality.
- No Check Engine Light guaranteed.
- Simple bolt-on installation, requiring no cutting or welding.
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