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-   -   Exhaust noise (http://www.clubcobra.com/forums/all-cobra-talk/128334-exhaust-noise.html)

captcook 03-25-2014 09:17 PM
Exhaust noise
 
I hear a different tone between both exhausts. Is that normal?

bobcowan 03-25-2014 10:34 PM
Apparently it is. Mine has always sounded different between one side and the other. I'v changed heads, cams, ignitions, headers, pipes, and swapped throttle bodies side to side. Still sounds different. On my car, the left definitely sound smoother than the right. I just chalk it up to firing order.

mdross1 03-26-2014 04:43 AM
Keep the "Hammer Down" both sides will always sound the same if you could hear them.

bingo2 03-26-2014 05:25 AM
Quote:
Originally Posted by bobcowan (Post 1292614)
Apparently it is. Mine has always sounded different between one side and the other. I'v changed heads, cams, ignitions, headers, pipes, and swapped throttle bodies side to side. Still sounds different. On my car, the left definitely sound smoother than the right. I just chalk it up to firing order.
Yup...same here!

vatdevil 03-26-2014 06:36 AM
Firing order.....or you just lost a cylinder

Varmit 03-26-2014 09:04 AM
Damn glad this issue was raised. I've had the same experience with my previous Roush 427 and my current Keith Craft 482. All is right once again in my "Cobra World"!!!!!! :)

Z-linkCobra 03-26-2014 10:14 AM
Stop and think about it guys. No two cylinders are created equal. No two mufflers are created equal. No two headers are exactly the same. On OEM dual exhaust they are tied together. They do that for more than one reason, but One of those reasons is to balance the exhaust sound and pulses.

With individual exhaust you will never get them to sound exactly the same. You might get them close enough that you wont hear it. Make the exhaust a little louder....then you wont notice it as much....lol.

Clois Harlan 03-26-2014 10:50 AM
I have never considered it "Noise"....always thought of it as a sweet melody! :) Flow and resistance dictates sound and they will always be slightly different.

Clois

MRGEORGE077 03-26-2014 07:17 PM
Quote:
Originally Posted by vatdevil (Post 1292643)
Firing order.....or you just lost a cylinder
Is that what caused all the white smoke? :3DSMILE:


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