The SOUL Sport Header Package is a complete header and catted over-axle pipe upgrade for the Porsche 718 Cayman GT4 RS and 718 Spyder RS. This package combines SOUL Competition Headers with SOUL Sport Cat Over Axle Pipes, giving the car a major improvement in sound, response, and exhaust flow while still retaining catalytic converters in the over-axle section.
For the GT4 RS and Spyder RS platform, SOUL chose not to compromise the header design with a catted header replacement. Instead, this package uses unrestricted Competition Headers paired with high-flow catted over-axle pipes. The headers maximize the available space with longer tubing and an expanded merge collector, while the Sport Cat Over Axle Pipes replace the factory over-axle / particulate filter section with a freer-flowing catted design.
The result is one of the best balanced exhaust upgrades for the GT4 RS and Spyder RS: more character, sharper response, better flow, and a more aggressive sound without moving to a fully catless over-axle setup.
Fitment
Fits:
Porsche 718 Cayman GT4 RS
Porsche 718 Spyder RS
Does not fit 718 GT4 Clubsport models.
What’s Included
SOUL Competition Headers
SOUL Sport Cat Over Axle Pipes
Heat solution for the Sport Cat Over Axle Pipes
New high-grade installation hardware
OEM three-bolt gaskets where applicable
Key Features
SOUL part number: POR.718GT4RS.SPPKG
DasMotoring SKU: DM-SOUL-718RS-SPPKG
Complete header and catted over-axle package for the GT4 RS / Spyder RS
Combines SOUL Competition Headers with SOUL Sport Cat Over Axle Pipes
Retains catalytic converters in the over-axle section
Designed to increase sound, response, and exhaust flow
Header design uses longer tubing and an expanded merge collector
Sport Cat Over Axle Pipes use high-flow catalytic converters
Sport Cat Over Axle Pipes include heat solution as standard
Works with the factory rear exhaust or an upgraded rear exhaust system
Built 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
Designed and built in-house by SOUL Performance Products in Willow Grove, Pennsylvania
Backed by SOUL’s lifetime warranty
DasMotoring Notes
This is the package I would recommend for GT4 RS and Spyder RS owners who want a serious exhaust upgrade while keeping catalytic converters in the system. Compared with only changing the over-axle pipes, this package also opens up the header section, giving the car a more complete change in sound, response, and flow.
For maximum sound and flow, consider the SOUL Competition Headers paired with SOUL Competition Over Axle Pipes instead. For a more street-conscious setup that still delivers a big jump in character, this Sport Header Package is the better choice.
SOUL states that the Sport Cat Over Axle Pipes are not expected to trigger a check engine light on North American cars, while European-market cars require ECU tuning. Emissions requirements vary by location and vehicle use, so please confirm local requirements before ordering.
The SOUL Sport Header Package is a complete header and catted over-axle pipe upgrade for the Porsche 718 Cayman GT4 RS and 718 Spyder RS. This package combines SOUL Competition Headers with SOUL Sport Cat Over Axle Pipes, giving the car a major improvement in sound, response, and exhaust flow while still retaining catalytic converters in the over-axle section.
For the GT4 RS and Spyder RS platform, SOUL chose not to compromise the header design with a catted header replacement. Instead, this package uses unrestricted Competition Headers paired with high-flow catted over-axle pipes. The headers maximize the available space with longer tubing and an expanded merge collector, while the Sport Cat Over Axle Pipes replace the factory over-axle / particulate filter section with a freer-flowing catted design.
The result is one of the best balanced exhaust upgrades for the GT4 RS and Spyder RS: more character, sharper response, better flow, and a more aggressive sound without moving to a fully catless over-axle setup.
Fitment
Fits:
Porsche 718 Cayman GT4 RS
Porsche 718 Spyder RS
Does not fit 718 GT4 Clubsport models.
What’s Included
SOUL Competition Headers
SOUL Sport Cat Over Axle Pipes
Heat solution for the Sport Cat Over Axle Pipes
New high-grade installation hardware
OEM three-bolt gaskets where applicable
Key Features
SOUL part number: POR.718GT4RS.SPPKG
DasMotoring SKU: DM-SOUL-718RS-SPPKG
Complete header and catted over-axle package for the GT4 RS / Spyder RS
Combines SOUL Competition Headers with SOUL Sport Cat Over Axle Pipes
Retains catalytic converters in the over-axle section
Designed to increase sound, response, and exhaust flow
Header design uses longer tubing and an expanded merge collector
Sport Cat Over Axle Pipes use high-flow catalytic converters
Sport Cat Over Axle Pipes include heat solution as standard
Works with the factory rear exhaust or an upgraded rear exhaust system
Built 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
Designed and built in-house by SOUL Performance Products in Willow Grove, Pennsylvania
Backed by SOUL’s lifetime warranty
DasMotoring Notes
This is the package I would recommend for GT4 RS and Spyder RS owners who want a serious exhaust upgrade while keeping catalytic converters in the system. Compared with only changing the over-axle pipes, this package also opens up the header section, giving the car a more complete change in sound, response, and flow.
For maximum sound and flow, consider the SOUL Competition Headers paired with SOUL Competition Over Axle Pipes instead. For a more street-conscious setup that still delivers a big jump in character, this Sport Header Package is the better choice.
SOUL states that the Sport Cat Over Axle Pipes are not expected to trigger a check engine light on North American cars, while European-market cars require ECU tuning. Emissions requirements vary by location and vehicle use, so please confirm local requirements before ordering.
