The Best Bolt on Performance Upgrades for Late Model Porsches

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  • 996 Turbo Plenum - The all but forgotten Tuner Friendly Turbo

    The IPD Turbo Plenums all deliver substantial power and torque gains but the 996 Turbo Plenum might be the best of the Turbo Plenums. Both the 68mm (OE throttle body) and 74mm 996 Turbo Plenums deliver over 35 wheel HP and over 40 foot pounds of torque to the wheels. Boost response is dramatically improved and both power curves become Read More
  • The New 991 Turbo / S Plenum

    The 991 Porsche Turbo is a completely redesigned model but the engine is relatively identical to 997.2 Turbo. This latest generation Turbo engine, titled the 9A1, delivers 520 HP (560 HP with the "S") and once again, raises the proverbial performance bar in the sports car world. Porsche retained the VTG turbos as well as the 3.8 liter displacement from Read More
  • Latest Dyno Test - 997.2 Turbo S

    We were recently "called out" on one of the more popular Porsche forums regarding our performance claims by another IPD Plenum non-believer. Of course we always try to find an active and well respected forum member / volunteer who is local and willing to donate his car and time towards the cause. Thankfully we are in Southern California so there's no Read More
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