The SOUL Race Exhaust System is a lightweight, high-flow rear exhaust upgrade for the Porsche 718 Cayman GT4 RS and 718 Spyder RS. This system is designed for owners who want to unlock more sound, more flow, and a sharper motorsports character from the GT3-derived 4.0L flat-six.
From the factory, the GT4 RS and Spyder RS reuse a rear muffler layout based around the standard 718 GT4. While that setup helps meet factory sound and production requirements, it also limits the full character of the RS engine. SOUL’s Race Exhaust System replaces the factory rear exhaust section with a freer-flowing design that maintains a full 3-inch flow path from the flanges through the tips.
The result is a more aggressive, more emotional exhaust note with a crisp motorsports tone. SOUL’s bespoke X-pipe design helps bring out the high-rpm character of the 4.0L engine, while the optional resonated version adds resonators and anti-drone tubes to help reduce unwanted low-rpm frequencies.
Fitment
Fits:
Does not fit 718 GT4 Clubsport models.
Available Options
Resonated or non-resonated configuration
Weissach, Signature Satin, or Matte Black tip finish
Weissach, slash cut, or straight cut tip style
Key Features
DasMotoring SKU: DM-SOUL-718RS-RACEEXH
Rear race exhaust system for the 718 GT4 RS / Spyder RS
Replaces the factory rear muffler section
Full 3-inch flow path from the flanges to the tips
Bespoke X-pipe design for a crisp motorsports tone
Optional resonated version helps address drone under 2,500 rpm
Weighs approximately 27.5 lb, compared with approximately 34 lb for the factory rear exhaust components
Saves approximately 6.5 lb / 2.9 kg compared with factory
Constructed from mandrel-bent .065" wall T304L stainless steel
Back-purged TIG welded for strength and longevity
Waterjet-cut flanges manufactured to ISO 9001:2015 standards
Includes new high-grade installation hardware
Designed and built in-house by SOUL Performance Products in Willow Grove, Pennsylvania
Backed by SOUL’s lifetime warranty
DasMotoring Notes
This is the right choice for GT4 RS and Spyder RS owners who want a more aggressive rear exhaust setup with less weight and more sound than the factory muffler. If you want the most raw version, choose the non-resonated configuration. If the car will see street use and you want to reduce low-rpm resonance, the resonated version is the safer choice.
SOUL notes that this system can be configured to reuse the factory exhaust tips, but the factory tips have a smaller inlet diameter. That requires the system to neck down near the tips, which introduces a restriction. For best performance and flow, DasMotoring recommends selecting SOUL’s matching high-flow exhaust tips instead of reusing the OEM tips.
For a full sound-focused setup, pair this Race Exhaust System with SOUL Competition Over Axle Pipes or choose the SOUL Race Exhaust Package.
The SOUL Race Exhaust System is a lightweight, high-flow rear exhaust upgrade for the Porsche 718 Cayman GT4 RS and 718 Spyder RS. This system is designed for owners who want to unlock more sound, more flow, and a sharper motorsports character from the GT3-derived 4.0L flat-six.
From the factory, the GT4 RS and Spyder RS reuse a rear muffler layout based around the standard 718 GT4. While that setup helps meet factory sound and production requirements, it also limits the full character of the RS engine. SOUL’s Race Exhaust System replaces the factory rear exhaust section with a freer-flowing design that maintains a full 3-inch flow path from the flanges through the tips.
The result is a more aggressive, more emotional exhaust note with a crisp motorsports tone. SOUL’s bespoke X-pipe design helps bring out the high-rpm character of the 4.0L engine, while the optional resonated version adds resonators and anti-drone tubes to help reduce unwanted low-rpm frequencies.
Fitment
Fits:
Does not fit 718 GT4 Clubsport models.
Available Options
Resonated or non-resonated configuration
Weissach, Signature Satin, or Matte Black tip finish
Weissach, slash cut, or straight cut tip style
Key Features
DasMotoring SKU: DM-SOUL-718RS-RACEEXH
Rear race exhaust system for the 718 GT4 RS / Spyder RS
Replaces the factory rear muffler section
Full 3-inch flow path from the flanges to the tips
Bespoke X-pipe design for a crisp motorsports tone
Optional resonated version helps address drone under 2,500 rpm
Weighs approximately 27.5 lb, compared with approximately 34 lb for the factory rear exhaust components
Saves approximately 6.5 lb / 2.9 kg compared with factory
Constructed from mandrel-bent .065" wall T304L stainless steel
Back-purged TIG welded for strength and longevity
Waterjet-cut flanges manufactured to ISO 9001:2015 standards
Includes new high-grade installation hardware
Designed and built in-house by SOUL Performance Products in Willow Grove, Pennsylvania
Backed by SOUL’s lifetime warranty
DasMotoring Notes
This is the right choice for GT4 RS and Spyder RS owners who want a more aggressive rear exhaust setup with less weight and more sound than the factory muffler. If you want the most raw version, choose the non-resonated configuration. If the car will see street use and you want to reduce low-rpm resonance, the resonated version is the safer choice.
SOUL notes that this system can be configured to reuse the factory exhaust tips, but the factory tips have a smaller inlet diameter. That requires the system to neck down near the tips, which introduces a restriction. For best performance and flow, DasMotoring recommends selecting SOUL’s matching high-flow exhaust tips instead of reusing the OEM tips.
For a full sound-focused setup, pair this Race Exhaust System with SOUL Competition Over Axle Pipes or choose the SOUL Race Exhaust Package.
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