IPD 981 Cayman GT4 3.8L Competition 82mm Plenum ('13-'16) (81482-3.8) _23912 Monitoring Your Cooling System Pressure

Monitoring Your Cooling System Pressure Can Be Just As Critical As The Temperature

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IPD 981 Cayman GT4 3.8L Competition 82mm Plenum ('13-'16) (81482-3.8) _23912 Monitoring Your Cooling System PressureRequires use of GT3 82mm Throttle Body (Sold Separately) After a very extensive R&D program we launched the 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"