Quote:
Originally Posted by onewhippedpuppy
I've posted on here before that anyone who finds a 986/987 or 996/997 to be boring needs to drive one with a performance exhaust. Porsche gave them entirely too much muffler from the factory, a good exhaust adds so much to the experience overall. I don't pretend to understand exactly what gives different engine types their distinct sound, only that each type has it. You will never be able to replicate the raspy flat-six howl with a flat-four, just like an inline-4 will never sound like a V-8. There are few engines that can match a flat-six at full song.
It probably won't be a big deal to the average 718 buyer, most of which will probably be more concerned about styling or luxury features. But the loss of the NA flat-six is a big deal to me, and the 718 is far less appealing because of it.
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The 911 is unique because of the combination of high frequency whirr from the cooling fan and the bass of the combustion events. GT3 or other stinger style exhausts seem to have a strange, sometimes grating noise that I can only describe as sounding like a trumpet. They get some sort of interference that changes the pitch or the color of the sound.
With equal exhaust systems it's all about firing order. Inline and flat 4's have the same crankshaft usually so they sound basically the same if they both have 4-2-1 or 4-1 exhaust. A 6 has evenly spaced combustion events so if you have one running at 2/3 the rpm of a 4 they can sound similar.
There is a four cylinder that sounds like a V8 (and I'm not talking flat plane crank V8 because they sound just like a four cylinder). The modern Yamaha R1 with the uneven firing order sounds like a normal cross plane V8.