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IPD Plenum 987.1 Boxster S 2.7L/3.2L 74mm Plenum (‘05-’06): Power Gains 15+ WHP / 15+ WTQ Requires upgrading factory 68mm TB with 74mm TB
Vendor:IPDRegular price $1,120.00Regular priceUnit price per -
IPD Plenum 987.1 Cayman/Boxster 2.7L 74mm Plenum (‘07-’08): Power Gains 10-12 WHP / 8-10 WTQ Utilizes factory 74mm TB
Vendor:IPDRegular price $850.00Regular priceUnit price per -
IPD Plenum 987.1 Cayman/Boxster S 3.4L 74mm Plenum (‘07-’08): Power Gains 14 WHP / 12 WTQ Utilizes factory 74mm TB
Vendor:IPDRegular price $850.00Regular priceUnit price per -
IPD Plenum 987.1 Cayman/Boxster 2.7L/3.4L Competition 82mm Plenum (‘07-’08): Power Gains 20+ WHP / 18+ WTQ Requires upgrading factory 74mm TB with GT3 82mm TB. Fits S and Non-S models
Vendor:IPDRegular price $1,190.00Regular priceUnit price per -
IPD Plenum 987.2 Cayman/Boxster Non-S 2.9L 74mm Plenum (‘09-’12): Power Gains 12+ WHP / 10+ WTQ Utilizes factory 74mm TB
Vendor:IPDRegular price $1,095.00Regular priceUnit price per -
IPD Plenum 987.2 Cayman/Boxster S 3.4L 74mm Plenum (‘09-’12): Power Gains 15+ WHP / 12+ WTQ Utilizes factory 74mm TB
Vendor:IPDRegular price $1,095.00Regular priceUnit price per -
IPD Plenum 987.2 Cayman/Boxster Non-S/S 2.9L/3.4L Competition 82mm Plenum (‘09-’12): Power Gains 20+ WHP / 15+ WTQ Requires upgrading factory 74mm TB with GT3 82mm TB. Fits S & Non-S models
Vendor:IPDRegular price $1,390.00Regular priceUnit price per -
IPD Plenum 986 Boxster Non-S 2.7L Competition 74mm Plenum (‘00-’04): TBA Requires upgrading factory 68mm TB with 74mm TB
Vendor:IPDRegular price $1,120.00Regular priceUnit price per -
IPD Plenum 986 Boxster S 3.2L Competition 74mm Plenum (‘00-’04): Power Gains 15+ WHP / 15+ WTQ Requires upgrading factory 68mm TB with 74mm TB
Vendor:IPDRegular price $1,120.00Regular priceUnit price per -
IPD Plenum 955 Cayenne Turbo 4.5L Plenum (‘03-’06): Power Gains 30 WHP / 32 WTQ Utilizes factory 76mm TB
Vendor:IPDRegular price $795.00Regular priceUnit price per -
IPD Plenum 957 Cayenne Turbo 4.8L Plenum (‘07-’10): Power Gains 30 WHP / 32 WTQ Utilizes factory 76mm TB
Vendor:IPDRegular price $795.00Regular priceUnit price per -
IPD Plenum 957 Cayenne Turbo S 4.8L (2009 Only): Power Gains 30+ WHP / 30+ WTQ Utilizes factory 82mm TB
Vendor:IPDRegular price $895.00Regular priceUnit price per -
IPD Plenum 958 Cayenne Turbo 4.8L Plenum (‘11-’18): Power Gains 30 WHP / 32 WTQ Utilizes factory 76mm TB. Does not fit vehicles equipped with Sound Imposer Package
Vendor:IPDRegular price $795.00Regular priceUnit price per -
IPD Plenum 970 Panamera Turbo 4.8L Plenum (‘09-’16): Power Gains 30 WHP / 32 WTQ Utilizes factory 76mm TB. Does not fit vehicles equipped with Sound Imposer Package
Vendor:IPDRegular price $795.00Regular priceUnit price per -
IPD Plenum 981 Cayman/Boxster Non-S 2.7L 82mm Competition Plenum (‘13-’16): Power Gains 15+ WHP / 12+ WTQ Requires upgrading factory 74mm TB with GT3 82mm TB
Vendor:IPDRegular price $1,345.00Regular priceUnit price per -
IPD Plenum 981 Cayman/Boxster S/GTS 3.4L 82mm Competition Plenum (‘13-’16): Power Gains 20 WHP / 18 WTQ Requires upgrading factory 74mm TB with GT3 82mm TB. Fits S & GTS Applications
Vendor:IPDRegular price $1,390.00Regular priceUnit price per -
IPD Plenum 981 Cayman GT4 3.8L Competition 82mm Plenum (‘13-’16): Power Gains 20 WHP / 18 WTQ Requires upgrading factory 74mm TB with GT3 82mm TB
Vendor:IPDRegular price $1,390.00Regular priceUnit price per -
IPD Plenum 996 Carrera 2 3.4L Cable Throttle Plenum (‘98-’99): Power Gains 28 WHP / 26 WTQ Utilizes factory 74mm TB
Vendor:IPDRegular price $695.00Regular priceUnit price per -
IPD Plenum 996 Carrera S 3.6L/Non-S 3.4L Competition 82mm Plenum (‘00-’04): (Includes Silicone Reducer Hose Coupler to Fit After-Market Air Intake Systems) Power Gains 30+ WHP / 28+ WTQ Requires upgrading factory 74mm TB with GT3 82mm TB
Vendor:IPDRegular price $1,140.00Regular priceUnit price per -
IPD Plenum 996 Carrera S 3.6L/Non-S 3.4L Competition 82mm Plenum (‘00-’04): (Includes Silicone Hose to Fit Factory Air Box) Power Gains 30+ WHP / 28+ WTQ Requires upgrading factory 74mm TB with GT3 82mm TB
Vendor:IPDRegular price $1,190.00Regular priceUnit price per -
IPD Plenum 996 GT3 Mark II 3.6L Competition 82mm Plenum (‘04): Power Gains 24 WHP / 26 WTQ Requires upgrading factory 76mm TB with 997 GT3 82mm TB
Vendor:IPDRegular price $1,190.00Regular priceUnit price per -
IPD Plenum 996 Turbo Non-S/S/X50/GT2 3.6L 68mm Plenum (‘00-’05): Power Gains 30-40 WHP / 40-45 WTQ Utilizes factory 68mm TB
Vendor:IPDRegular price $875.00Regular priceUnit price per -
IPD Plenum 996 X51 3.6L 74mm Plenum (‘00-’04): Power Gains 24 WHP / 22 WTQ Utilizes factory 74mm TB
Vendor:IPDRegular price $795.00Regular priceUnit price per -
IPD Plenum 996 Turbo Non-S/S/X50/GT2 3.6L Competition 74mm Plenum (‘00-’05): Power Gains 30-40 WHP / 40-45 WTQ Requires upgrading factory 68mm TB with 74mm TB
Vendor:IPDRegular price $1,220.00Regular priceUnit price per
