Dundon Motorsports 2011-2019 Porsche 911 / Cayman / Boxster Intake Runners, 981/991 3.8L

Using science and engineering to increase performance is what we do.  The Dundon 981/991 3.8L Intake Runners are no exception.  Through careful design of the intake runner geometry, we were able to add 30+ peak wheel horsepower on top of our already potent race headers and tune.  By extending the torque curve we increased power substantially all the way to redline, over 100whp gains at 7850rpm over both our headers/tune and stock.

Left Graph is Torque at the Wheels
Right Graph is HP at the Wheels
Bottom Line is Stock GT4
Middle Lines are GT4 with Race Headers and Dundon Pro Tune
Top Lines are GT4 with Race Headers, Tune, Intake Runners (with IPD Plenum/Carrera S Plenum and GT3 TB), GT3 Muffler Over axle pipes, and GT3 Muffler

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Function Factory Performance takes “customer service” very personally. We understand that finding the right parts can be overwhelming. Education and awareness are the principles that keep us ahead of the curve. Let us make this experience simple, easy, and awesome, so without hesitation give us a call at (480) 576-8606, feel free to direct message on our live chat, or CLICK HERE to contact us via email.

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Dundon Motorsports

Dundon Motorsports was born out of three car-enthusiast’s passion to offer the very best of everything to the motorsports world.  The best parts.  The best performance.  The best service.  All in a fun and welcoming environment.