Quote:
Originally Posted by doofenshmirtz
I KNEW it was going to be this video... This isn't pointed at you, but just in general, the title is a bit click-bait-y.
The real takeaway here is to just call it exhaust scavenging and not back pressure. Backpressure is bad, but exhaust scavenging is good. Well, as one goes up, the other goes up, too. Reduce backpressure, and you'll reduce scavenging as well. Increase backpressure, and exhaust scavenging goes up. They're so correlated that differentiating isn't really meaningful in conveying the idea.
They don't go up and down equally; so, yes, there's a sweet spot where you can optimize your ratio of scavenging to backpressure - either through tube diameter or system layout. ...But it's a bit pedantic of a qualification/clarification for casual conversation. I'd argue that's right in line with the content expected from a channel called Engineering Explained, though.
You can change backpressure to exhaust scavenging in the previous comment, and literally nothing is incorrect.
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I have a very hard time believing that 3" wouldn't be the best option for performance. That's all I'm trying to say. Seems a bit counter-intuitive to get more power from a 2.5" or even 2.25" system than a 3". Seems like people are talking about "feel" it would be interesting to see dyno sheets, that could sway my opinion.
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Titanium Metallic 2006 Limited 4WD V8 | Doug Thorley "Premium" Long Tubes/Modded Ypipe | Magnaflow dual in/dual out | True Dual Exhaust | Fr: 5100/885/SPC R: Icon 2"/2nd gen links | 285/75R17 G003s | Sherpa Princeton | Baja Designs |
5th Gen Brakes | Everything else is in the
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