IPD Plenums 981 DFI Cayman S / GTS (3.4L) Competition Plenum the onek PHR has used these arms

PHR has used these arms on their drag Supras since 1998

the kit contents are the same except for differing loom lengths

* Incorporated Advance Needle Design (nearly 200% improvement over predecessor)

Better Performance Under High Load: Engines operating under high load and boost conditions benefit from high fin density as it ensures that the intercooler can handle the increased thermal load

Carbon fiber intercooler shrouds and our foam tape form a tight seal to maximize cooling efficiency

IPD Plenums 981 DFI Cayman S / GTS (3.4L) Competition Plenum the onek PHR has used these armsAfter a very extensive R & D program we are proud to launch the new 981 IPD 82mm Competition Plenums. We only offer "Competition" versions of the 981 Plenums which upgrades the factory 74mm throttle body with the larger 997 GT3 82mm throttle body. This combination has proven to be considerably more popular and deliver even more performance. This Competition version will work with both 3. 4L "S" and 2. 9L "Non S" applications. The 981 intake is nearly