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Air Gap Spacers and Cushion Pipes

Air Gap Spacers and Cushion PipesAir Gap Spacers or “Twin Wall” pipes are often used for the manufacture of insulated down pipes.

Insulation is provided by the air gap between inner and outer pipes, reducing heat loss from the exhaust gas prior to the catalytic converter. This results in improved light off times.

Knitted wire mesh spacer rings and cushion pipes are situated between the inner and outer pipe acting as a bearing surface, maintaining a constant gap through changes in thermal expansion whilst absorbing and reducing vibration.

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