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Aluminum Intake Plenum. Porsche 991 DFI Carrera/S IPD ❭ 91482-3.8
- Porsche 991.1 Carrera C2S / GTS 3.8L (400/430 Bhp) 2012-16
- Porsche 991.1 Carrera C4S / GTS 3.8L (400/430 Bhp) 2012-16

Fits:
Porsche 991 Carrera S DFI 3.8L
Does not fit GTS model or 991.1 Carreras equipped with upgraded X51 engine package.
The new 991 Carrera is arguably one of the sexiest Porsches to come out of Stuttgart in recent years. But like most Carreras, power output is controlled to meet a "performance target" that satisfies the masses and not the dedicated Porsche driving enthusiasts. IPD is here to scratch that proverbial performance itch for those Porsche drivers looking to elevate the already visceral Porsche driving experience to the next level.
The engine in the new 991 remains relatively unchanged from the previous 997.2 Carrera. The 991 Carrera continues to employs the 82mm throttle body just like the Carrera before it. This means there is no "Competition Plenum" available since the 82mm TB is still the largest TB available from Porsche.
Performance gains remain at 15+ horsepower at the wheels. As with most IPD Plenums, the bulk of the power gains are realized in the mid-range where they are most used and enjoyed. Unlike other mods, the IPD Plenums deliver net power gains across the entire rev range.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91482-3.8
The product you are viewing cross references to these numbers
- Porsche 996 TURBO 2000-05
- Porsche 996 GT2 2001-05

Horsepower improvements range from 30 to 35 and boost response improves considerably making for longer, stronger and of course more pleasurable power curves. The IPD plenum develops horsepower throughout the entire power band, especially where it's needed most, from mid range to top end.
Installation of the 996 Turbo Plenum is very challenging and installation should only be performed by a seasoned and qualified Porsche technician.
The 996 Turbo 68mm version is designed to function with the factory 68mm throttle body that was O.E. on all 996 factory Turbos. The 68mm Plenum delivers similar power as the larger 74mm competition Plenum.
Horsepower gains range from 30 to 35 above the stock power band and initial boost response is improved. The IPD plenum delivers more power and more torque giving the 996 Turbo a stronger mid range and top end.
The 68mm Plenum version is perfect for the Turbo customer looking to improve engine performance on both stock and moderately modified Turbos developing under 700 horsepower.
The IPD 996 Turbo Plenum will truly transform the already impressive Turbo performance. The Plenum should be the first performance upgrade installed on any Turbo. They deliver great power gains on all Turbos whether they are bone stock or highly modified.
996 Turbo/GT2 Plenum: HP Gains 30-40 / Torque Gains 40-45. To be used with factory 68mm Thottle Body
Fits:
Porsche 996 Turbo/S/X50/ GT2
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96268
The product you are viewing cross references to these numbers
- Porsche 996 TURBO 2000-05
- Porsche 996 GT2 2001-05
Horsepower improvements range from 30 to 35 and boost response improves considerably making for longer, stronger and of course more pleasurable power curves. The IPD plenum develops horsepower throughout the entire power band, especially where it's needed most, from mid range to top end.
Installation of the 996 Turbo Plenum is very challenging and installation should only be performed by a seasoned and qualified Porsche technician.
The 996 Turbo 74mm "Competition" Plenum is designed to function with more seriously modified Turbos developing over 600+ horsepower. Although this 74mm application has been used with great success on a variety of Turbos ranging from mildly modified to 1000+ HP.
This application requires the larger 74mm Porsche throttle body (additional purchase required) and comes with additional hardware to complete the kit. This "Competition Turbo" Plenum will help modified 996 Turbos realize maximum performance.
The increased air flow and air speed develop by the larger Plenum is designed to work with larger turbos, intercoolers, intake piping, high flow Y Pipes and more aggressive software.
Horsepower gains start around 35 hp and deliver max power slightly higher in the rev range creating better top end performance without the drop in power experienced with the factory air distributor.
996 Turbo Competition Plenum: HP Gains 24 / Torque Gains 26. Requires upgrading factory 68 mm TB with 996 Turbo 74 mm Thottle Body
Fits:
Porsche 996 Turbo/S/X50/ GT2
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96274
The product you are viewing cross references to these numbers
- Porsche 996 TURBO 2000-05
- Porsche 996 GT2 2001-05

The all mighty 996 Turbo may be the perfect Porsche of them all to benefit from the IPD Plenum. Horsepower and torque gains are substantial and immediate (no adaptation required).
Horsepower improvements range from 30 to 35 and boost response improves considerably making for longer, stronger and of course more pleasurable power curves. The IPD plenum develops horsepower throughout the entire power band, especially where it's needed most, from mid range to top end.
Installation of the 996 Turbo Plenum is very challenging and installation should only be performed by a seasoned and qualified Porsche technician.
The 996 Turbo 74mm "Competition" Plenum is designed to function with more seriously modified Turbos developing over 600+ horsepower. Although this 74mm application has been used with great success on a variety of Turbos ranging from mildly modified to 1000+ HP.
This application requires the larger 74mm Porsche throttle body (additional purchase required) and comes with additional hardware to complete the kit. This "Competition Turbo" Plenum will help modified 996 Turbos realize maximum performance.
The increased air flow and air speed develop by the larger Plenum is designed to work with larger turbos, intercoolers, intake piping, high flow Y Pipes and more aggressive software.
Horsepower gains start around 35 hp and deliver max power slightly higher in the rev range creating better top end performance without the drop in power experienced with the factory air distributor.
996 Turbo Competition Plenum: HP Gains 24 / Torque Gains 26.
Fits:
Porsche 996 Turbo/S/X50/ GT2
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
IPDKIT996TT
The product you are viewing cross references to these numbers
This kit is comprised of the following items:
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