Fabspeed Porsche 981 Boxster/Cayman Sport Headers (2013-2016) Exhausts HJS catalytic converters are not

HJS catalytic converters are not CARB Certified for use in California

You can have a better true high performance PSE exhaust by simply exchanging swapping out any 987

you will reap the benefits of optimized airflow with tremendous gains in power and torque

fits OEM 957 S/ GTS airbox for improved airflow and performance

Fabspeed Porsche 981 Boxster/Cayman Sport Headers (2013-2016) Exhausts HJS catalytic converters are notImprove both the sound and the power from your 981 Boxster Cayman with these sport headers. Our Sport Headers use 200 cell HJS catalytic converters which improve exhaust flow while still cleaning your exhaust gases. SOUND: These headers will give you a significant increase in volume, and a smooth sports car sound. POWER: These dyno designed headers feature smooth mandrel bends and a 3 1 collector to get the most power out of your 981. Paired with a