Description
Dundon Motorsports was born out of three car-enthusiasts’ 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.
Add Power and great sound and experience your Porsche’s true capabilities with the Dundon Power Package. Intentionally designed to bring big power with and distinct sound we all love, this kit is perfectly tailored to add more muscle, better sound, and increased performance to your specific GT car.
Our Street Header Package with Dundon GT4 Race Headers back by 200 CPSI (cell per square inch) Catalysts, and Lifetime (or your provided GT3) Muffler Power Package delivers the power and sound you want while keep catalysts!
Dundon 981 Cayman GT4/Boxster Spyder Street Header Power Package provide substantial gains in torque and horsepower throughout the rev range. They are a street system. All Dundon headers are made with 321SS, the advantages of this are numerous and include, better fitment, higher heat tolerance, superior resistance to exhaust gas corrosion and a lifetime structural warranty to the original purchaser.
The headers attach to the factory PSE muffler and are quiet with no drone at cruise, but put your foot down and they’re all kinds of flat six glory. Dundon Headers are specifically designed for each vehicle and engine. Unlike our competition that uses a one size fits all, we tailor each system to the unique needs of each engine.
Gains Over Stock.
3600 RPM: +42 wtq
5000 RPM: +36 wtq, +34whp
5800 RPM: +15 wtq, +16whp
6500 RPM: +28whp
7000 RPM: +30whp
7500 RPM: +41whp
Our dyno read the stock car at 330.8 whp at 7400, Porsche rates the car at 385bhp at 7400, this is 14.1% loss with our Dynapack 4000 hub dyno running the car in Rolling Road mode using the factory PIWIS tools.
Dundon Street Header equipped GT4 is now at: 426BHP
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