Porsche 981 Cayman GT4 Fabspeed GT450 Race Performance Package (2015-2016) Select:Select Tip Option=Satin Black This upgrade requires you to

This upgrade requires you to send us your ECU for re-programming

and dyno develop 718 Boxster Cayman single turbo systems

Saves 11 lbs from the vehicle versus factory restrictive cats

HJS GErman catalytic converters aka catalysts on a properly tuned and functioning engine and engine management systems offer guarantee NO CEL - NO Check Engine Lights

VALVES CLOSED: Exhaust gases are channeled through Fabspeed's signature 63

Porsche 981 Cayman GT4 Fabspeed GT450 Race Performance Package (2015-2016) Select:Select Tip Option=Satin Black This upgrade requires you toFabspeed'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