981 GT4/Spyder

Intake Runners, 981/991 3.8L


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Using science and engineering to increase performance is what we do.  The Dundon 981/991 3.8L Intake Runners are no difference.  Through careful design of the intake runner geometry we were added 20 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.  At redline we improved power by 60+ whp over our Headers and tune and by almost 100whp over stock!


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