Kooks GT350 Long-Tube Headers Video

[EditorTurner]

Sound and Fury
Kooks releases the first video of a Shelby GT350 with long-tube headers
By Steve Turner
Photos by Steve Turner and courtesy of Ford Motor Company

From the moment we heard the Shelby GT350’s Flat-Plane-Crank, 5.2-liter engine at full song on Grattan Raceway last year, we knew it was the best-sounding stock Mustang yet. However, we couldn’t help but wonder what it would sound like with a set of long-tube headers. Now, thanks to Kooks Headers and Exhaust, that wait is over.
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[DSG2003SVT]

You can definitely hear more of the FPC signature sound with these. Very cool.

 

[AustinSN]

Not really a fan. I wonder when we will get numbers?

 

[GT Premi]

That is outrageously loud! Definitely sounds like it's breathing better, but jeez!

 

[DSG2003SVT]

That is outrageously loud! Definitely sounds like it's breathing better, but jeez!

Outrageously loud is just loud enough to some people.

The tone is more Ferrari-like now, so I bet the exhaust flow has been optimized quite a bit over stock. I hope the power gains reflect that. I can't wait to see the results!

 

[GT Premi]

You know what I want to see? I want to see an aftermarket company offer a twin intake manifold and throttle bodies! Now that will give it that Ferrari-like sound!

 

[03cobra#694]

I'd love to hear that going through a tunnel.

 

[8gtoklr]

Sounds worse. Needs H pipe back and the magnaflow system

 

[Rainmaker]

I want to hear the GT350 w/ Long Tubes, O/R H-Pipe and Magnaflow Catback!!!!!

 

[01SVTSnake]

Sounds pretty good. Definitely more on an exotic type tone.

 

[Voltwings]

It actually sounds smoother if you really listen. The exhaust is going to sound much different just free revving than when it is under load, if we had a proper video i bet this thing would sound insane.

 

[Elnrownr]

I'm sold

 

[DSG2003SVT]

Sounds like it may even be revving quicker when you compare it to the before video they posted.

 

[ZYBORG]

Love the sound. Much better than stock. Whats the hp gain?

 

[01SVTSnake]

Owner said on the other board that dyno results coming soon. If its on par with what regular 5.0 coyotes gain im pretty sold. Hoping the FPC engine might see a little more benefit.

 

[03Predator]

Forgive my ignorance, but what are "green cats"? Everything is emissions legal?

 

[krt22]

Forgive my ignorance, but what are "green cats"? Everything is emissions legal?

They are EPA certified high flow cats, unfortunately would still be illegal here in commiefornia

I like the cleaner sound, its pure engine sound now, wish I could hear it in person

 

[GotHemi?]

Well. It's definitely LOUD!!! I can't imagine it catless.

It did sound better under load though.

 

[03Predator]

They are EPA certified high flow cats, unfortunately would still be illegal here in commiefornia

That depends on who you know.

 

[krt22]

That is true, things might also be a bit more lax up north. Either way, they help kill the smell which some LEOs can pickup on a catless car