981 GT4/Spyder



Laurent purchased a Dundon Lifetime 321SS Black Muffler to go with his Race Header System and Carbon Dual Cone Intake "At idle, sound is suggestive: not that loud but you feel the engine can tell what he thinks. At low revs and duty, sound is soft. It is even strange how they managed to keep the car that streetable. When you push it... read more

Laurent, Reunion Island

981 GT4/Spyder Cobb Accessport with Dundon Pro Tune


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Dundon Motorsports is happy to provide the Cobb Accessport for the 981 GT4/Spyder.  We're Cobb Pro Tuners and have developed a great tune for the Dundon GT4/Spyder Race Headers.


GT4 Dundon Pro Tune

Gains Over Stock including GT4/Spyder Race Headers and Dundon Pro Tune:

3600 RPM: +50 wtq +32whp
5000 RPM: +55 wtq, +52whp
5800 RPM: +24 wtq, +26whp
6500 RPM: +30 wtq, +36whp
7500 RPM: +30 wtq, +43whp

377.1whp on our dyno works out to 438.8 BHP




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