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The Best Bolt on Performance Upgrades for Late Model Porsches

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Great customer support when I had concerns about used product purchased and decided to purchase a new Y-pipe. Y-pipe and plenum was also used in my prior 997.1 Turbo with tune. Highly recommend.

C. Lawnicki
2017 991.2 Turbo S

I installed the IPD Plenum in my 2004 Boxster S 3.2 and it works very well. I was a bit skeptical due to Mexico City altitude, but it worked very well. I can feel the performance gains between 2,200m and 3,100m (7,218 ft and 10,171 ft) above sea level.

F.T.
2004 Boxster S 3.2 (986)

I’ve heard a lot of chatter about IPD plenums over a few Porsche forums. Some people say they have a moderate improvement some say no improvement at all. I called IPD expressing my hesitation. Upon my discussion with Greg, I was confident that if I ran into any issues, I would be fully refunded. So, I purchased IPD plenum and 74mm throttle body. In the first couple of hours of driving, I didn’t see much difference, but THEN, after the ECU adjusted itself I felt SO much improvement! It picks up much faster across the entire bandwidth. Later on, I had ECU remapped to accommodate the additional airflow. Finally, with IPD plenum, 74mm throttle and remapped ECU, it almost feels as I have 911 in the body of 986, such a massive difference! Any 986 owner would agree that it feels underpowered from the factory, even S modeld. Well, not anymore!!!! Special thanks to Greg for his excellent support, now I have this setup on my sons 986.1 and my 986.2 — HUGE DIFFERENCE!!!!! Regards, Vadim!

V. Kovalerchik
2003 986 Boxster

The past years my 997.1 has been running like clockwork, more eager and better response from the Tiptronic box. A perfect investment! ?

O.Krantz
997.1 Carrera

The IPD Plenum in combination with the GT4 throttle body, headers, high flow cats, exhaust and a tune produced phenomenal results in increased horsepower and torque. Based on Dyno results the Cayman now produces 317 hp to the rear wheels. The throttle response and performance are mostly contributed to the IPD Plenum and GT4 throttle body. I couldn’t be happier! Greg and his team are incredible to work with. Great job IPD!

B. Murphy
2014 Porsche Cayman S

Easy install, has much better torque and a better driving experience.

W. Dingmon
1999 911

Works great, easy install, thanks.

J. Coray
2006 997.1 3.6L and 2011 Cayenne S

Got plenum for 05 cayenne turbo, I noticed improvement for performance and mileage.

S. Lougee
1999 Boxster and 2005 Cayenne Turbo

I love the performance improvement. I plan to purchase another plenum for my 2000 911

W. Duryea
2003 996 turbo

Made a huge increase in boost

R. Bualces
2003 Turbo