You can get poly bush exhaust hangers that have virtually no flex in them at all.
A replacement heatshield shouldn't cost more than £20 and is dead easy to change.
Drop exhaust off all hangers and rest on rear axle. Remove nuts that hold shield on and pull clear.
Fitting opposite to removal.
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K&N, 35mm droper, axle spacers, de-tango,
LED's all round, Retro Fiesta badge, wind deflectors.