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SOUL Race Exhaust System. Porsche 981 Boxster / Cayman MANUAL - POR.981M.RER
POR.981M.RER
Vehicle Group
- Porsche Boxster 981 2.7L 2012-16
- Porsche Boxster 981 S / GTS 3.4L 2012-16
- Porsche Cayman 2.7L 981 2013-16
- Porsche Cayman S / GTS 3.4L 981 2013-16
Information
Porsche 981 Boxster / Cayman MANUAL TRANSMISSION -
SOUL Race Exhaust System.
SOUL’s Race Exhaust System is designed for aggressive track use and built around maximum durability, lightness, and performance.
• Fits all Porsche 981 Cayman / Boxster vehicles (2013-2016) MANUAL TRANSMISSION, with factory or SOUL headers (differences in tolerances from other manufacturers can create issues with over axle pipe clearance)
• Designed and built in-house at our Willow Grove, PA facility
• System weighs approximately up to 18 lbs / 8.1 kg less than factory exhaust non-PSE components ( 30 lbs vs 44 lbs non-PSE / 48 PSE with mounting brackets included)
• All Soul Performance Products components are backed by a renowned Lifetime Warranty for both street and track use
DEVELOPMENT::
Our mission was to engineer a lightweight, durable, and cost-effective race exhaust system for the 981 Boxster and Cayman—one that delivers proven performance, reliability, and accessibility for serious track enthusiasts. By collaborating with respected shops, technicians, and seasoned drivers who have conducted their own independent testing over the years—including special thanks to Bryan Schute at Speed Sport Tuning and the teams at LN Engineering / BRS—we developed a track-bred system designed to meet the demands of competitive driving.
PIPING:
The system features full 2.5” over-axle piping, carefully profiled to provide sufficient clearance for axles and sway bar end links—even on aggressively lowered or heavily modified vehicles.
BESPOKE BRACKETS & MOUNTS:
Traditional welded hangers and brackets are prone to failure under the rigors of racing—a failure that can end a track day instantly. To solve this, SOUL designed a reinforced mounting solution that sheds over 5 lbs compared to the OEM setup, while remaining modular and easy to repair or replace after a track incident.
The forward piping connects to a custom SOUL transmission mounting brace—engineered for both manual and PDK models—via heavy-duty Mikalor band clamps. Additional rubber vibration dampeners support the over-axle piping, minimizing stress from flex and vibration across the system to ensure long-term durability under extreme use.
CONSTRUCTION:
Each system is handcrafted in-house by our skilled fabrication team using mandrel-bent .065″ wall, 2.5″ diameter T304L stainless steel tubing. Brackets are laser-cut, press brake-formed, and TIG welded for maximum strength, while all welds are back-purged to ensure long-term durability under the most extreme racing conditions.
SOUND:
This system is designed with track performance as the priority, not sound suppression. It is extremely loud, and even with resonators, some drone will be present. We do not recommend pairing this exhaust with aftermarket headers for street use. At wide-open throttle, however, the sound is nothing short of exhilarating—raw, aggressive, and unmistakably motorsport. For a more balanced option suited to daily driving, we suggest our Valved Exhaust System.
BOLT-ON INSTALLATION:
Every exhaust is rigorously quality-checked and fixture-tested to guarantee perfect fitment. Systems are securely foam-packed for safe delivery and include all-new high-grade hardware for the header-to-exhaust flanges. Thorough instructions are provided, making installation straightforward for most DIY enthusiasts.
LIFETIME WARRANTY:
Enjoy your SOUL exhaust components with confidence on both the street and track as they are covered by our Lifetime Warranty! Our team will quickly work with you to resolve any issues or answer any questions that you may have.
NOTE:
+ This product is not CARB certified and may not be legal for use on emissions controlled vehicles; intended for off road use only
Please note: This item is not a stock product. It is a special order part and once ordered with us is not subject to cancellation or return unless proven not fit for purpose or defected.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
POR.981M.RER
The product you are viewing cross references to these numbers
SOUL’s Race Exhaust System is designed for aggressive track use and built around maximum durability, lightness, and performance.
• Fits all Porsche 981 Cayman / Boxster vehicles (2013-2016) MANUAL TRANSMISSION, with factory or SOUL headers (differences in tolerances from other manufacturers can create issues with over axle pipe clearance)
• Designed and built in-house at our Willow Grove, PA facility
• System weighs approximately up to 18 lbs / 8.1 kg less than factory exhaust non-PSE components ( 30 lbs vs 44 lbs non-PSE / 48 PSE with mounting brackets included)
• All Soul Performance Products components are backed by a renowned Lifetime Warranty for both street and track use
DEVELOPMENT::
Our mission was to engineer a lightweight, durable, and cost-effective race exhaust system for the 981 Boxster and Cayman—one that delivers proven performance, reliability, and accessibility for serious track enthusiasts. By collaborating with respected shops, technicians, and seasoned drivers who have conducted their own independent testing over the years—including special thanks to Bryan Schute at Speed Sport Tuning and the teams at LN Engineering / BRS—we developed a track-bred system designed to meet the demands of competitive driving.
PIPING:
The system features full 2.5” over-axle piping, carefully profiled to provide sufficient clearance for axles and sway bar end links—even on aggressively lowered or heavily modified vehicles.
BESPOKE BRACKETS & MOUNTS:
Traditional welded hangers and brackets are prone to failure under the rigors of racing—a failure that can end a track day instantly. To solve this, SOUL designed a reinforced mounting solution that sheds over 5 lbs compared to the OEM setup, while remaining modular and easy to repair or replace after a track incident.
The forward piping connects to a custom SOUL transmission mounting brace—engineered for both manual and PDK models—via heavy-duty Mikalor band clamps. Additional rubber vibration dampeners support the over-axle piping, minimizing stress from flex and vibration across the system to ensure long-term durability under extreme use.
CONSTRUCTION:
Each system is handcrafted in-house by our skilled fabrication team using mandrel-bent .065″ wall, 2.5″ diameter T304L stainless steel tubing. Brackets are laser-cut, press brake-formed, and TIG welded for maximum strength, while all welds are back-purged to ensure long-term durability under the most extreme racing conditions.
SOUND:
This system is designed with track performance as the priority, not sound suppression. It is extremely loud, and even with resonators, some drone will be present. We do not recommend pairing this exhaust with aftermarket headers for street use. At wide-open throttle, however, the sound is nothing short of exhilarating—raw, aggressive, and unmistakably motorsport. For a more balanced option suited to daily driving, we suggest our Valved Exhaust System.
BOLT-ON INSTALLATION:
Every exhaust is rigorously quality-checked and fixture-tested to guarantee perfect fitment. Systems are securely foam-packed for safe delivery and include all-new high-grade hardware for the header-to-exhaust flanges. Thorough instructions are provided, making installation straightforward for most DIY enthusiasts.
LIFETIME WARRANTY:
Enjoy your SOUL exhaust components with confidence on both the street and track as they are covered by our Lifetime Warranty! Our team will quickly work with you to resolve any issues or answer any questions that you may have.
NOTE:
+ This product is not CARB certified and may not be legal for use on emissions controlled vehicles; intended for off road use only
Please note: This item is not a stock product. It is a special order part and once ordered with us is not subject to cancellation or return unless proven not fit for purpose or defected.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
POR.981M.RER
POR.981M.RER
98111192101
98111192201
98111192104
98111192204
98111122101
98111123100
98111132100
98111142100
98111143100
98111122201
98111123200
98111132200
98111142200
The product you are viewing cross references to these numbers
Prices from: €3,516.01
Related products
Vehicle Group
- Porsche Boxster GTS 718 4.0L Manual (400 Bhp) 01/2019>>
- Porsche Boxster GTS 718 4.0L PDK (400 Bhp) 01/2019>>
- Porsche Boxster Spyder / Spyder RS 718 4.0L 01/2019>>
- Porsche Cayman GTS 718 4.0L Manual (400 Bhp)
- Porsche Cayman GTS 718 4.0L PDK (400 Bhp)
- Porsche Cayman GT4 718 4.0L / GT4 RS 718 4.0L
Information
Akrapovic Slip-On Race Line Titanium Exhaust for
cars with the hanging brackets
Porsche 718 Cayman GT4 / Spyder - OPF/GPF 02/2020>>
Porsche 718 Cayman GTS 4.0 / Boxster GTS 4.0 2020
Porsche 718 Cayman GTS 4.0 / Boxster GTS 4.0 - OPF/GPF 2020
Sound, design, and performance have combined to create this stunning exhaust. The Akrapovič sound engineers have produced a rich, harmonic, high-frequency tone from the system in the upper rev range, which perfectly combines with the deep sound in the lower range to provide an aural experience in the cabin with no drone and a sound that lingers long after the throttle is released.
Constructed from lightweight high-grade titanium, with parts made in the in-house foundry to create a perfect fit within the limited space available, the three mufflers – two side and one central – are configured in a unique way, perfectly engineered by the Akrapovič technicians. There is a choice between two different sets of round titanium tailpipes, sandblasted and coated, and available in a natural titanium finish or black. The inner side of the tailpipes features a dynamic relief surface for increased aesthetic value. An engraved logotype adds to the visual presence.
Power gains of +4.8 kW at 3,000 rpm and a torque increase of +15.8 Nm at 2,900 rpm were recorded on the Akrapovič dyno, using a Porsche 718 Cayman GT4 with a stock exhaust system for comparison. This gives the system – which is designed for racing track use only, and is not intended for street use – performance to match its looks and innovative design.
Optional extras are available: there is a Link pipe set in titanium for the Slip-On Line Race (Titanium) upgrade, and a carbon-fibre diffuser, in matte or high gloss, can be added to emphasise the design of the Akrapovič exhaust tailpipes. For more control over the exhaust system's sound, the optional Akrapovič Sound Kit is available to control the exhaust valves at any time and allow the driver to choose the setting preferred.
Fitment notice: A modification of fitting brackets done by Porsche on 718 GT4/Spyder and 718 Cayman/Boxster GTS 4.0 produced approximately after February 2020 was identified. Please turn to your Area sales manager for detailed explanation on differences in order to choose the appropriate exhaust for your car.
*** Mandatory Extra Part Required
Tail pipe set (Titanium) Black - Product Code: TP-T/S/28
or
Tail pipe set (Titanium) - Product Code: TP-T/S/27
THIS PRODUCT DOES NOT MEET EMISSION COMPLIANCE REQUIREMENTS FOR STREET OR HIGHWAY USE.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
S-PO
The product you are viewing cross references to these numbers
cars with the hanging brackets
Porsche 718 Cayman GT4 / Spyder - OPF/GPF 02/2020>>
Porsche 718 Cayman GTS 4.0 / Boxster GTS 4.0 2020
Porsche 718 Cayman GTS 4.0 / Boxster GTS 4.0 - OPF/GPF 2020
Sound, design, and performance have combined to create this stunning exhaust. The Akrapovič sound engineers have produced a rich, harmonic, high-frequency tone from the system in the upper rev range, which perfectly combines with the deep sound in the lower range to provide an aural experience in the cabin with no drone and a sound that lingers long after the throttle is released.
Constructed from lightweight high-grade titanium, with parts made in the in-house foundry to create a perfect fit within the limited space available, the three mufflers – two side and one central – are configured in a unique way, perfectly engineered by the Akrapovič technicians. There is a choice between two different sets of round titanium tailpipes, sandblasted and coated, and available in a natural titanium finish or black. The inner side of the tailpipes features a dynamic relief surface for increased aesthetic value. An engraved logotype adds to the visual presence.
Power gains of +4.8 kW at 3,000 rpm and a torque increase of +15.8 Nm at 2,900 rpm were recorded on the Akrapovič dyno, using a Porsche 718 Cayman GT4 with a stock exhaust system for comparison. This gives the system – which is designed for racing track use only, and is not intended for street use – performance to match its looks and innovative design.
Optional extras are available: there is a Link pipe set in titanium for the Slip-On Line Race (Titanium) upgrade, and a carbon-fibre diffuser, in matte or high gloss, can be added to emphasise the design of the Akrapovič exhaust tailpipes. For more control over the exhaust system's sound, the optional Akrapovič Sound Kit is available to control the exhaust valves at any time and allow the driver to choose the setting preferred.
Fitment notice: A modification of fitting brackets done by Porsche on 718 GT4/Spyder and 718 Cayman/Boxster GTS 4.0 produced approximately after February 2020 was identified. Please turn to your Area sales manager for detailed explanation on differences in order to choose the appropriate exhaust for your car.
*** Mandatory Extra Part Required
Tail pipe set (Titanium) Black - Product Code: TP-T/S/28
or
Tail pipe set (Titanium) - Product Code: TP-T/S/27
THIS PRODUCT DOES NOT MEET EMISSION COMPLIANCE REQUIREMENTS FOR STREET OR HIGHWAY USE.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
S-PO
982251053F
982251053H
982251053K
The product you are viewing cross references to these numbers
Price: €6,003.12
Orderable
Vehicle Group
- Porsche Boxster GTS 718 4.0L Manual (400 Bhp) 01/2019>>
- Porsche Boxster GTS 718 4.0L PDK (400 Bhp) 01/2019>>
- Porsche Cayman GT4 718 4.0L / GT4 RS 718 4.0L
Information
Milltek GPF Bypass Sports Exhaust With Titanium GT-115 Tailpipe Trims.
Post Feb 2020 Build ONLY!
Fits:
Porsche 718 Cayman GT4 4.0L 2020>>
Porsche 718 Boxster GTS 4.0L 2020>>
Exhaust System With GPF (Gasoline Particulate Filter) Delete
Pipe Diameter: 2.37" (60.30mm)
Tailpipe: 115mm GT115
Parts Assembly:
MSPO258: LH GPF Bypass
MSPO259: RH GPF Bypass
MSPO269: LH Valve Assembly
MSPO270: LH Valve Assembly
MSPO262: Rear Silencer Assembly
MSPO271: LH Mounting Bracket
MSPO272: RH Mounting Bracket
MSPO263: x2 Outlet Pipes
MSTIP252: x2 4.5" Brushed Titanium Tips
For Track Use ONLY!
Requires Stage 2 ECU Software Update
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
SSXPO164
The product you are viewing cross references to these numbers
Post Feb 2020 Build ONLY!
Fits:
Porsche 718 Cayman GT4 4.0L 2020>>
Porsche 718 Boxster GTS 4.0L 2020>>
Exhaust System With GPF (Gasoline Particulate Filter) Delete
Pipe Diameter: 2.37" (60.30mm)
Tailpipe: 115mm GT115
Parts Assembly:
MSPO258: LH GPF Bypass
MSPO259: RH GPF Bypass
MSPO269: LH Valve Assembly
MSPO270: LH Valve Assembly
MSPO262: Rear Silencer Assembly
MSPO271: LH Mounting Bracket
MSPO272: RH Mounting Bracket
MSPO263: x2 Outlet Pipes
MSTIP252: x2 4.5" Brushed Titanium Tips
For Track Use ONLY!
Requires Stage 2 ECU Software Update
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
SSXPO164
982251053E
982251053K
982251053F
982251053H
982251053D
982251053G
982254351B
982254351L
982254351AA
982254351P
982254351R
982254350B
982254350L
982254350AA
982254350P
982254350R
The product you are viewing cross references to these numbers
Price: €3,674.01
Orderable
Vehicle Group
- Porsche Boxster GTS 718 4.0L Manual (400 Bhp) 01/2019>>
- Porsche Boxster GTS 718 4.0L PDK (400 Bhp) 01/2019>>
- Porsche Cayman GT4 718 4.0L / GT4 RS 718 4.0L
Information
Milltek GPF Bypass Sports Exhaust With Burnt Titanium GT-115 Tailpipe Trims.
Post Feb 2020 Build ONLY!
Fits:
Porsche 718 Cayman GT4 4.0L 2020>>
Porsche 718 Boxster GTS 4.0L 2020>>
Exhaust System With GPF (Gasoline Particulate Filter) Delete
Pipe Diameter: 2.37" (60.30mm)
Tailpipe: 115mm GT115
Parts Assembly:
MSPO258: LH GPF Bypass
MSPO259: RH GPF Bypass
MSPO269: LH Valve Assembly
MSPO270: LH Valve Assembly
MSPO262: Rear Silencer Assembly
MSPO271: LH Mounting Bracket
MSPO272: RH Mounting Bracket
MSPO263: x2 Outlet Pipes
MSTIP253: x2 4.5" Burnt Titanium Tips
For Track Use ONLY!
Requires Stage 2 ECU Software Update
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
SSXPO165
The product you are viewing cross references to these numbers
Post Feb 2020 Build ONLY!
Fits:
Porsche 718 Cayman GT4 4.0L 2020>>
Porsche 718 Boxster GTS 4.0L 2020>>
Exhaust System With GPF (Gasoline Particulate Filter) Delete
Pipe Diameter: 2.37" (60.30mm)
Tailpipe: 115mm GT115
Parts Assembly:
MSPO258: LH GPF Bypass
MSPO259: RH GPF Bypass
MSPO269: LH Valve Assembly
MSPO270: LH Valve Assembly
MSPO262: Rear Silencer Assembly
MSPO271: LH Mounting Bracket
MSPO272: RH Mounting Bracket
MSPO263: x2 Outlet Pipes
MSTIP253: x2 4.5" Burnt Titanium Tips
For Track Use ONLY!
Requires Stage 2 ECU Software Update
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
SSXPO165
982251053E
982251053K
982251053F
982251053H
982251053D
982251053G
982254351B
982254351L
982254351AA
982254351P
982254351R
982254350B
982254350L
982254350AA
982254350P
982254350R
The product you are viewing cross references to these numbers
Price: €3,740.36
Orderable