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IPD Plenums

More Air In, More Air Out

The internal combustion engine is just an air pump. Simply put, the more air you can get in, the more you can get out. The IPD Plenum optimizes the intake system and when coupled with a larger throttle body, helps your engine breath better.

The revolutionary and patented design of the IPD Porsche Plenums improve intake air flow by replacing the factory plastic "T" style design with a more efficient, cast aluminum "Y" design. The IPD Plenums distribute the air flow more effectively by using a true merge collector and reducing pressure drop at the throttle body inlet. This innovative “Y” diversion area of the IPD Plenums split and channel intake air flow reducing air flow turbulence and increasing air flow velocity. This superior and proven design ultimately results in considerably power gains throughout the horsepower and torque curves.

Bottom line, the "Y" design delivers increased power and drivability. The patented "Y" design Plenum offers a lower pressure drop across the merge collector than a conventional/mass production "T" air distributor. Any pressure drop in the intake tract will serve to either back pressure the turbocharger in a forced induction application or to choke intake flow in a naturally aspirated engine. Both scenarios limit the performance potential of the engine.

IPD Plenums have earned the reputation of being the single best “bolt on” performance upgrade you can possibly install on a late model Porsche. The IPD Plenums provide the best power per dollar return in the Porsche after-market industry today. They have been tested, challenged and proven over and over again to deliver the power gains IPD claims.

Every IPD Plenum in our product line goes through a very rigorous and scientific R & D program backed with extensive dyno testing and tuning to deliver the maximum engine output possible. The countless hours we invest testing and tuning each Plenum design, ensures you are getting the highest quality and best performing Porsche performance product on the market.

LN Engineering recommends IPD Plenums paired with GT3 throttle bodies on all engines M96/M97 engines fitted with Nickies sleeves with displacement increases up to 4.2 liters to help take advantage of the increased displacement and performance Nickies offer.

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  1. 981 Boxster/S Cayman/S DFI (3.4L/2.9L) IPD "Competition" Plenum

    SKU: 81482

    $995.00
    After 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 3.4 "S" and 2.9 "Non-S" applications. **The 987.2 Competition 82mm IPD Plenum requires the additional purchase of the 997 GT3 82mm TB.** Learn More
  2. 987.1 Boxster S/Cayman S (3.4L) IPD "Competition" Plenum

    SKU: 87182-3.4

    $795.00
    The IPD Boxster "Competition" Plenum was designed to meet the needs of the most demanding Boxster S enthusiasts. The "Competition" Plenum is even larger and utilizes the 997 GT3 82mm throttle body allowing it to deliver even greater air flow and substantial increases in performance. **Requires 82mm Porsche throttle body (Additional purchase)** Learn More
  3. 987.2 DFI Boxster S/Cayman S/R (3.4L) IPD "Competition" Plenum

    SKU: 87482

    $995.00
    The IPD 987.2 Boxster/Cayman "Competition" Plenum was designed to meet the needs of the most demanding Boxster S enthusiasts. The "Competition" Plenums is internally larger and specifically designed to utilized the larger 82mm 997 GT3 throttle body. This new 987.2 Competition Plenum follows in the foot steps of the very successful 987.1 Competition Plenum, which has proven itself to be the absolute single best performance mod that can be installed on any 987.1. The combination of the patented IPD "Y" designed Plenum and Porsche's largest TB yield great performance gains that can be seen and felt throughout the entire power band. **The 987.2 Competition 82mm IPD Plenum requires the additional purchase of the 997 GT3 82mm TB.** Learn More
  4. 996 "Competition" Carrera IPD Plenum

    SKU: 96182

    $850.00
    The IPD plenum not only delivers impressive power and torque increases but also creates a more linear power and torque band. Tiptronic customers even claim considerable improvements with more positive shifting after installing the IPD Plenums. **The Larger German throttle body required to fit the larger 82mm “Competition” Plenum.** Learn More
  5. 996 Turbo / S / X50/ GT2 “Push Through” Y Pipe

    SKU: 96500

    $1,895.00
    This very unique and extreme modification was a joint venturebetween BBI Autosport and Innovative Pro Design. The “Push Through Y Pipe” was a completely collaborative effort from initial prototype to final production. Countless design changes (both internally and externally) backed with extensive dyno and track testing have yielded the ultimate performance upgrade for the 996 Turbo customer looking to transform their Turbos from mild to wild. *NOTE: Special order only** Learn More
  6. 997.1 "Competition" Carrera IPD Plenum

    SKU: 97182

    $850.00
    All of the IPD Plenums deliver substantial power and torque gains, but when combined with larger throttle bodies they perform even better. All of the IPD "Competition" Plenums utilize the next largest size throttle body offered by Porsche. In this case, the Competition Carrera upgrades the factory OE 74mm throttle body with Porsche's 82mm 997 GT3 throttle body. All of our Competition Plenums are designed to perform with cars equipped with high performance exhaust systems. The more extensive the exhaust system (headers, kats and mufflers) the better. Optimizing air intake and exhaust together creates a balanced performance package that allows the engine to inhale and exhale more air thus creating more power and torque. **The larger, German throttle body required to fit the larger 82mm “Competition” Plenum.** Learn More
  7. 997 74mm Porsche Throttle Body

    SKU: 997 605 115 01

    $419.70
    997 74mm Porsche Throttle Body. 997 605 115 01. This is the larger, throttle body required to fit the larger 74mm “Competition” Plenum. Learn More
  8. 997 GT3 82mm Porsche Throttle Body

    SKU: 997 605 116 01

    $325.00
    997 GT3 82mm Porsche Throttle Body. 997 605 116 01. This is the larger, throttle body required to fit the larger 82mm “Competition” IPD Plenum. Learn More
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