i just had my pacesetter header installed on my 2.4L. But i had to remove the cat and install a flex pipe cause the engine was moving to much. But the car sounds like @!#$, it really does. like a bad weed wacker. What can i do to fix this? I was thinking i could install the RKsport Prothane lower engine mount, i already have the top. Would that stop the engine from moving enough to remove the flex pipe and install the cat again? Or is there somethine else i should do.
2006 Black Cobalt SS Supercharged G85
13.91@102.77
running without a cat is illegal in most states.
instead of the lower mount. try putting a resonator. like 18 inchs that will with the sound of your exhaust
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