IPD Competition Plenum Porsche 981 Boxster Spyder-Cayman GT4 NASA Discount Hans anchor points are pre-installed

Hans anchor points are pre-installed for use with head and neck restraint systems

The heart of the kit consists of monoblock aluminium calipers

Soft-touch textile for feel and enhanced comfort

the VX1R starts as a one-piece monoblock forging

allows full seat travel with any seat

IPD Competition Plenum Porsche 981 Boxster Spyder-Cayman GT4 NASA Discount Hans anchor points are pre-installedIPD Competition Plenum for Porsche 981 Spyder GT4 Once again, Porsche left the door open for engine performance improvements with the 981 Boxster Spyder and Cayman GT4. Using the same factory intake found on the less powerful 981 S and GTS models, despite using the 911 Carrera S 3. 8L engine, the intake's 74mm throttle body limits power and torque to keep the 981 from treading too close to the 911. As a result, Porsche's 991 Carrera S delivers 420 HP