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SOUL Long Tube Street Headers. Porsche 981 Boxster / Cayman - POR.981.STH
POR.981.STH
Product Information
Product Information
Porsche 981 Boxster / Cayman SOUL Long Tube Street Headers, (w/ HJS 200 cell catalytic converters).

The SOUL Performance Products Long Tube Street Headers are engineered with large-diameter, free-flowing catalytic converters and extended tube runners to deliver maximum gains in horsepower, throttle response, and the signature flat-six soundtrack. Enjoy noticeable performance improvements—without triggering a check engine light!

• Fits all Porsche 981 Cayman / Boxster vehicles (2013-2016)
•  Added performance without a check engine light
•  Direct bolt on installation – instructions included
•  All Soul Performance Products components are backed by a renowned Lifetime Warranty for both street and track use

DEVELOPMENT & TESTING:
Designed specifically for the Porsche 981 platform, these headers feature carefully sized 2” runners and optimized collectors to unlock maximum power from the 3.4L engine, while still delivering impressive gains for the 2.7L.

CONSTRUCTION:
Each header is handcrafted from T304L stainless steel and undergoes rigorous in-house quality checks. Key design elements—such as port-matched flanges, smooth-radius primary tubing, and precision collectors—work together to enhance exhaust flow and maximize performance.

BOLT-ON INSTALLATION:
Every set is fixture-tested for perfect fitment and securely foam-packed for safe delivery. Detailed instructions are included, 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

NOTE:  Sports catalytic converters and bypass pipes do not have type approval and are not legally permitted for use on vehicles manufactured after 1st March 2001 in the United Kingdom. They are not MOT compliant and must not be used on public roads. These components are intended for race and track use only. If you are located outside the UK, please consult your local laws and regulations to ensure compliance.

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.981.STH
981113211EX
981113211AX
98111321102
981113211BX
98111321103
981113211CX
98111321106
981113211FX
98111321105
98111321104
98111321201
981113212EX
98111321202
98111321203
981113212AX
981113212CX
98111321204
981113212DX
98111321205
98111321206
981113212FX
POR.981.STH

The product you are viewing cross references to these numbers