Axle Back # 952 on the way...LOL.

5150Mustang

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i am still rocking the ole junkie Flow Master American thunders. . .loud resonate like hell in the car vibrate every damn thing but my god do they sound good under wide open throttle.

i bet they are too quiet tho if i had a cammed idletune
 

Strpperpolef150

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So in your experience the JBA's are are Louder than the GT500's or quieter!?
I have GT500's w/ catted 3" H & No resonators.......and I want it a tad bit louder. But NOT ROUSH Loud!


I downloaded a Decibel app on my phone and gonna try it tonight to see what it is....all you guys should do the same thing so we can compare!

1. Hold it roughly 12" from exhaust tip
2. start the car and see what it initially rates.
3. reset the decibel meter and then rev the car to 3k RPM
4. reset the decibel meter adn rev to 6k RPM

5. MOST IMPORTANT: Report the results! LOL

Wouldn't be accurate at all. My guess is it'll be at least 6-7 db's off.
 

Sof Top

boost junkie!
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short drive w/ JBA axleback, ORX, stock exhaust manifolds, stock ota pipes.
[youtube_browser]fsE7GUkS5ro&sns=em[/youtube_browser]
 
Last edited:

Nocturnal'14

'18 ROUSH RS2 #18-0103
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short drive w/ JBA axleback, ORX, stock exhaust manifolds, stock ota pipes.
[youtube_browser]fsE7GUkS5ro&sns=em[/youtube_browser]

Any drone in the cab? been thinking about these mufflers for a while....but heard there is quite a bit of drone.
 

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