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.
Gains Over Stock including GT4/Spyder Race Headers and Dundon Pro Tune:3600 RPM: +50 wtq +32whp5000 RPM: +55 wtq, +52whp5800 RPM: +24 wtq, +26whp6500 RPM: +30 wtq, +36whp7500 RPM: +30 wtq, +43whp377.1whp on our dyno works out to 438.8 BHP
$1,750.00
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