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J. Taylor Massey
Mar 16, 2021
In Porsche GT3
I have owned my 2018 6spd GT3 for roughly two years now and am still just as in love as the day I first brought it home. This is my ultimate dream car aside from the truly unobtainable, and I have never found anything that has made me dislike the car at all. So when I say that the Dundon Exhaust kit rekindled the original love I had for the car, I mean that it complimented this wonderful experience like no other previous modification I had made to any other car. I replaced the stock exhaust with a side and center delete kit near to 6 months after originally owning the car. I was looking for something similar to the increase in volume and change of tone that I had from a similar setup on my previous ‘16 991.1 GTS. The change in volume was similar, but unlike the GTS the GT3 did not reap the same benefit in tone that I had expected. Honestly, this wasn’t because of anything wrong with the bypass’ setup or inherent sound character. I believe it was only because the GT3 sounded so much better stock than the GTS did with its PSE. The problem with the center and side delete setup was a lack of true ‘tone’. The best way I can describe this is from the perspective of a guitar player. Some guitar/amp combinations can get very close to what you hear in your favorite classic rock album. However, if you have played for any length of time you always start to search for the nuance in why your sound is not quite a perfect representation of the solo you're playing. It may be the instrument, it may be the amplifier, or it might even just be how you actually play and the makeup of the skin on your fingers. In short, tone is not simply how loud or how much distortion you add to the sound coming out of the instrument, it is the quality of the sound produced. So the difference in tone on the GT3? Huge. With the stock exhaust it was a muffled continuous roar that rose to a crescendo at redline. With the muffler bypass it was a louder roar, but with very little distinction between exhaust strokes as the RPMs rose. Now with the Dundon headers and Lifetime Loud muffler the sound takes on a more dignified growl that escalates to a true flat -6 howl at max RPM. I wouldn’t argue that there is a complete lack of drone as might be suggested, but what little there is only happens at high load, low RPM situations that hardly happen when driving a manual sports car [properly?]. Each exhaust stroke can really be appreciated, especially in the case of in-gear off-throttle situations. As the revs fall there is not simply a labored drone from the engine, but a set of singular pulses that usually only can be appreciated on big displacement NA engines with aggressive cam profiles. The run to redline on the other hand is now handled in a way that keeps the unwanted rasp out of the cabin, yet creates a mature sound profile that can be appreciated with the windows up or down. Where the bypass simply seemed to compete with the intake noise in-cabin in a way that was at sometimes unpleasant (...but #becauseracecar), the Dundon system adds to the unique sound of the engine in the interior. In certain situations I would miss the sound of the stock exhaust with the windows raised because, as anyone who has experienced the 4L GT engines can attest, the interior intake sound can really be hard to describe. My attempt is to say it's as if it is a buzzsaw trying to escape angrily through the rear deck. The bypass seemed to try and drown this out, but you really don’t want to lose that defining theater. With the Dundon system I get the best of both worlds, the interior drama and the exterior RSR howl. As for performance, I can only say that I believe their claims. As I have yet to drive the car anywhere near its limit, I cannot definitively say it feels faster. I simply do not have enough experience with cars of this caliber or with this particular one on track. However, I can say that the idle is more smooth than it was at both stock and bypass configuration. It also appears to have solved the low RPM hesitation issue that seems to be quite common on these cars regardless of age of spark plugs and coils. The car has always been very impressive in acceleration, but now coupled with the distinct sound it has more bark to go with the bite. In summary, although I am someone who always has some buyers remorse on bigger purchases I have yet to feel any toward this arguably expensive modification. Dundon justifies their price with quality and workmanship as well as a product that delivers on all of its claims. I am very impressed and once again even more in love with my car. If on the fence in the Tampa area, I would be happy to take you for a ride so you can experience it for yourself! -Taylor IG @tmassv
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J. Taylor Massey

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