2019 Challenger Widebooty HellKitty (she's giving me the meatsweats...)

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motorheadmike

Geezer
Nov 18, 2009
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I'm curious about the weight and sound differences.

In general terms, as I understand it, high carbon stainless steel typically is about 2.5 times heavier than aluminum. So the math is there - I'll try to weigh both systems for science (but, chances are I won't ;))

Material density is another consideration as it relates to resonant frequency and sound absorption/transmission. Again, my understanding, is that aluminum will absorb more sound (act less like a high frequency tuning fork) than steel... resulting in a softer less tinny tone both through the wall and out the tail pipe.

Grab a coffee and a some LSD:

And here's a little something about noise absorption using perforated materials... which are enhanced with a packing material or the like:

 
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fleming442

Captain Tenneal
Dec 26, 2013
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So, when I was in the field (low voltage residential construction management), as a tech, I had a couple of sayings I used to throw around: "everything works on paper" and "Engineering hands out square wheels. I pound out the corners so it actually rolls." Now, I hand out the square wheels. In the garage, you have the luxury of rounding the corners as you go.
 
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motorheadmike

Geezer
Nov 18, 2009
8,976
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motorheadmike

Geezer
Nov 18, 2009
8,976
27,522
113
Saskatchewan, Truckistan
So, when I was in the field (low voltage residential construction management), as a tech, I had a couple of sayings I used to throw around: "everything works on paper" and "Engineering hands out square wheels. I pound out the corners so it actually rolls." Now, I hand out the square wheels. In the garage, you have the luxury of rounding the corners as you go.

Anecdotal evidence:

 
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motorheadmike

Geezer
Nov 18, 2009
8,976
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Saskatchewan, Truckistan
Tips showed up... at 4.4kg they weigh almost as much as the whole rest of the exhaust.

PXL_20210612_215402246.jpg

Yeah, I am thinking of making a set now. Sigh.
 
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Supercharged111

Comic Book Super Hero
Oct 25, 2019
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Colorado Springs, CO

motorheadmike

Geezer
Nov 18, 2009
8,976
27,522
113
Saskatchewan, Truckistan
2 weeks later:

images


YAAAAY WEIGHT SAVINGS!!!!!!

Mean Rob Lowe GIF by Parks and Recreation


If they were half the weight, how were you planning to mate those to the pipe?

Oh, I am still using them. Going to weld a length of 3" pipe to the back and slip them into the mufflers.

cannoli GIF


If I find i don't like them or if the weight bothers me that much - I will just use them on the TBSS because it has dual exhaust and a single tip.
 
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