Rear engine bus exhaust system to reduce the heat ingress into the passenger area and to keep the intake air temperature close to ambient.

Problem Statement: Due to the heat from the engine compartment, the A/C had to be kept running at low temperatures which leads to increased fuel consumption. The intake air temperature was affected because of the high exhaust temperature.

Component Shielded: Exhaust pipe

Test Conditions: Highway

Pre Q-Shield™ Temp: 600°C (1112°F)

Post Q-Shield™ temperature: 110°C (230°F)

  • No. of layers of heat shield: 4
  • Thickness: 16mm (0.63 inch