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Fabspeed Pipes and undercarriage cover vibration

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The undercarriage cover is vibrating under acceleration I believe from a leak somewhere in the fabspeed pipes I had installed. Had the pipes tightened and I can't see or feel any visible leaks. The u shaped metal straps that connect the movable section of the panel to the cross member and the plastic around them are worn and loose.

Any ideas on part numbers for the plastic undercarriage cover, or thoughts on removing it alltogether, or any other suggestions.

Backup plan is to go back to stock pipes see if that fixes it.

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So I could use wire to bring the flap up closer to the brace so there isn't room for it to move. What are the other options? Replace the entire undercarriage cover?

The plastic around the 2 flat metal clips is ground away so it's loose and easily rattles around.

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Yes, there is an area that looks like it's broken off. Can anyone help with a part number for the undercarriage cover and a picture of what it's supposed to look like? Seeing someone else's intact and correctly installed cover would help.

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