Porsche 981 Cayman GT4 Fabspeed GT450 Race Performance Package (2015-2016) Select:Select Tip Option=Satin Black We replace the four restrictive

We replace the four restrictive factory OEM catalytic converters with two ultra high-performance HJS German Racing 200-cell sport cats for maximum performance and sound

Saves 40 lbs from the rear of the vehicle compared to the full OEM exhaust system

The increased exhaust flow helps tremendously at high RPM

Saves 11 lbs from the vehicle versus factory restrictive cats

We also offer the Supercup Turboback without a catalytic converter for those looking for the most aggressive exhaust in terms of power

Porsche 981 Cayman GT4 Fabspeed GT450 Race Performance Package (2015-2016) Select:Select Tip Option=Satin Black We replace the four restrictiveFabspeed's GT450 Race Performance Package is the final answer in 981 Cayman GT4 Boxster Spyder performance. Delivering over 400 horsepower to the wheels with easy to install bolt on upgrades, there is no better option for the GT4 or Spyder owner seeking maximum power and performance. No need to swap engines or suffer long periods of downtime during a full engine re build. Simply install the Fabspeed GT450 Package and begin outperforming the 911