Cayman & Boxster 987/987.2 (2006-12)
& Cayman 981 (2013-16)
3.5" intake was designed to increase power and torque
while scavenging fresh ambient air from outside the engine bay.
intake air flow by replacing the factory 74mm throttle body and plastic
"T" style design plenum with a more efficient, cast aluminum
"Y" design plenum and 82mm GT3 throttle body.