H-Pipe Resonance in Track Mode

[01Romanss]

I just put an H -Pipe in. When in track mode there is some vibration or resonation behind and underneath me in the back of the car. It sounds like a thin piece of metal vibrating ata high pitch. The car did this a little with the stock resonator on tack mode exhaust. It is now a little louder. It doesn’t do it with the h pipe on quiet mode. Is there anything underneath the back of the car that might be vibrating?

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[Slopoke]

Put it up on jackstands. Get a rubber mallet and start tapping on the exhaust. If that doesn't yield any rattles, start tapping on other things down there. Good luck.

 

[Louk]

On my car when the guy welded it in he put in a small piece further back towards the axle to connect the two sides. Said it was to prevent any vibration.
I haven’t had any so maybe that little piece helps?

 

[01Romanss]

On my car when the guy welded it in he put in a small piece further back towards the axle to connect the two sides. Said it was to prevent any vibration.
I haven’t had any so maybe that little piece helps?

Thanks for the input all. The h pipe has a brace across the two halves near the back. Did you have your guy weld something further back?

 

[Louk]

Thanks for the input all. The h pipe has a brace across the two halves near the back. Did you have your guy weld something further back?

Mine didn’t come with any brace, he put it at the very end of the h pipe.

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