High Performance Plenum for Porsche 997 Turbo
High performance plenums for the Porsche 997 Turbo deliver smooth and linear power with quicker boost response, creating a longer and more desirable power band. They also provide reliable performance for both street and motorsport applications, enhancing the Porsche Turbo driving experience.
Our plenum is available in two sizes to suite your tuning needs.
- 74mm OEM size for factory drivability and power upgrade into the 600hp range.
- 82m from the GT3 for improved throttle response, power increases and 3.8 builds.
- For builds with large ports and radical cams, we highly recommend the complete gt3 intake
Note: This product page is for the Plenum only. Throttle bodies available here (74mm) and here (82mm).
997 Turbo Plenum Features:
- Fabricated using lightweight aircraft aluminum which helps with heat rejection, lower weight and optimal cooling.
- CNC machined flanges for a precise fit with oem connectors and receiver grooves.
- Custom fittings are available upon request for boost control, meth injection, custom ports required, etc.
- Available powder coated or plain
- All oem ports and hose connectors retained for an easy install.
- Machined connectors (not cast!) for a precise fit and seal.
What else will I need?
- The 82mm throttle bodies require ypipes to match or adapter couplers (not included)
- We apply all oem connectors and plugins for you so everything works and functions as it should.
What works best on a 997 turbo?
- OEM 74mm work best with the factory manifold.
- 82mm throttles work best with a full GT3 intake manifold setup.
Gt3 plenums are available as well for Gt3 manifold conversions.
Want to learn more about 997 Turbo upgrades? Be sure to check out our YouTube video that’ll walk you through upgrades from a simple flash to full builds! Part 2 is here.
| Weight | 6 lbs |
|---|---|
| Dimensions | 12 × 12 × 6 in |
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Trevor Morris2024-04-22Todd is the ultimate godfather of Porcshe! His knowledge and informative videos have been invaluable to me as a Porsche enthusiast. I'm incredibly grateful for his expertise and guidance. I had an intermittent problem with my 996tt that has plagued the car for 6 years, no shops were able to figure out the problem. I emailed Todd and he narrowed it down within a couple emails, and sure enough he guided me to the problem and it was a simple fix in the end. Not to mention Todd's tuning skills are off the charts, as the car also traps 144mph in the 1/4 mile. Keep up the fantastic work, Todd!
Chris Roundtree2024-02-19I wanted to thank Todd at Protomotive Motorsports for going above and beyond when he helped me sort out a problem with a product that I had purchased from another vendor. Todd seems to always have the knowledge to put together the best combination of parts to make any model Porsche not only go fast or handle better, but do it reliably. He always answers the phone. In the rare event he doesn’t pick up he gets back to you within twenty four hours. Emails get responded to just as quick. I really appreciate having some like Todd available when working on any Porsche as you know he has a proven setup to satisfy any goal. Thx Chris
Antreas Smilas2024-01-22Super in every way..2 years now in ecu and tcu perfect power delivery ,reliable,and fast as mr Todd promise in number...i can say even i draggy was the same numbers as promise to achieve with this set up.
Taylor Berg-Kirkpatrick2024-01-04Todd has got to be the world's expert in forced induction Mezger Porsche engines. I've worked with a bunch of mechanics, tuners, engine builders across multiple Porsches over multiple decades... and Todd has been the most helpful and knowledgeable of the bunch. And this has even been true while working with him remotely! (I'm in CA and he's in AR.) Just by looking at my logs and hearing about my engine rebuild, he's been able to diagnose stuff that in-person mechanics have not been able to. For example, Todd was the only person looking at my car to suggest a problem with a BRV could explain some of the weird behavior... following his advice, I dug in myself... lo and behold, torn BRV diaphragm on bank 1! Wow! Further, Todd has the most experience tuning these cars of any tuner I've worked with. Tune is absolutely solid and safe. Very very confident in his work!!! Absolute strongest possible recommendation!!
N K2024-01-04Todd and his team are true professionals and they always provide excellent customer service, quality parts they sell and very reliable engine builds. This is very rare in our industry today. Great job Protomotive!
raphael wirth2023-05-29Todd est l homme de la situation…. Des difficultés ou des problèmes pour régler le problème? Todd trouve la solution malgré la distance ( je suis français) Merci à lui et son équipe pour leurs conseils … Maintenant mon 997 turbo fonctionne à merveille et est un véritable avion de chasse! Je recommande a 1000% !!! À bientôt pour d autres évolutions !!!
Adam McGregor2023-04-05I don’t think there is a better shop to shop entrust your Porsche to then Protomotive and the Knighton’s. Just search there name with 993 and you can start to get an idea of their storied history of building monster but reliable 911 Turbos! I have over 12 years and 30k miles (street, autox & track) on the Protomotive set up on my 997tt and it has never skipped a beat!
Piotr L. Pawlak2023-04-05Unfortunately they could not resolve my issue, but Todd tried very hard to find some other resolutions. He was very helpful and responsive.
B W2023-03-23Todd is by far the most professional and knowledgeable Porsche person I have ever worked with in my life and I have had many cars and have been doing this for over 20 years. He not only knows how to overcome every single problem, but also knows how to explain exactly what he is doing and brings the car to a point where it feels like stock even though it has double or triple the power. If you go anywhere else you would be making a mistake
Alex May2023-02-20The engineers at Protomotive are absolutely the best. They performed extensive work on my Porsche GT2 and I literally could not be happier. Their work, attention to detail, problem solving and communication with me were all next level. Customer service is remarkable. I had a question while at the track, on a Saturday, and Todd immediately responded to my questions. Class act.
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