8-4-1 Headers (Video)

[TreeFiddyAre]

What I had in my head was this tone—but with the “sample rate” turned way up. Throw a supercharger into the mix and everything happens faster, sharper, more urgent… and I think that would change a few opinions around here.
The goal from day one was to chase that Ferrari 458–style sound—deep, layered low end that builds into that high-pitched, almost “wailing” top note. Right now though, from what I’m hearing, it’s a little thin down low and missing some of that smooth, creamy finish up top. Later on, I could experiment with those cone gizmos that Fluid Motor Union makes and uses to see that that adds a bit more what I'm looking for.
I’m still a bit torn on what to do… but the idea of an engine making those kinds of sounds at a rate that ~850whp brings to the table? Yeah… that’s hard to ignore

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[WItoTX]

#1 : video of it in a parking garage.
#2 : flyby

I dislike these less. But man idk, I'd have to hear it in person.

The video rev posted, sounds decent, but in the car is a different story.

 

[TreeFiddyAre]

I dislike these less. But man idk, I'd have to hear it in person.

The video rev posted, sounds decent, but in the car is a different story.

I’m with you 100%. The clip of it revving in neutral sounds way better, and honestly the thing still pulling me toward installing it is how this setup should behave once the car is supercharged. With the blower on, the revs are going to climb much faster and with way more urgency, which should completely transform the character of the exhaust note.

 

[honeybadger]

I dislike these less. But man idk, I'd have to hear it in person.

The video rev posted, sounds decent, but in the car is a different story.

Hate to say it, but it needs resonators to tone down that harshness.

Here’s the difference in my car without them (first vid) and either them second.





I know a lot will say that first video is what they want. But trust me, you don’t. It hurt my head after 20 mins

 

[RiotfunK]

In no world would I think thats a GT350 if I heard that in the wild. The sound is changed completely. That growl is gone. More C8 than mustang. Is crazy how much an exhaust can change a very pronounced signature sound. You gonna dyno it to see what its making with them? Following to see where this goes.

 

[Bulldogs22]

Hate to say it, but it needs resonators to tone down that harshness.

Here’s the difference in my car without them (first vid) and either them second.





I know a lot will say that first video is what they want. But trust me, you don’t. It hurt my head after 20 mins

I completely agree. Previous in the chain someone said a version would be released with primary & secondary cats. Wonder if any videos we have heard is that version. That might be exactly what it needs to sharpen up the tone. Can’t imagine the extra cost with 4 cats though

 

[TreeFiddyAre]

Hate to say it, but it needs resonators to tone down that harshness.

Here’s the difference in my car without them (first vid) and either them second.





I know a lot will say that first video is what they want. But trust me, you don’t. It hurt my head after 20 mins

I like I like, if I go the Concept route, I'll keep this in mind. I do have a set of 3" rez in house...not sure if they fit. Once I get under there and the system is laid out, I'll start brainstorming

 

[TreeFiddyAre]

I completely agree. Previous in the chain someone said a version would be released with primary & secondary cats. Wonder if any videos we have heard is that version. That might be exactly what it needs to sharpen up the tone. Can’t imagine the extra cost with 4 cats though

Yes , a catted version is in the horizon..that should alter the tone

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