Multi-Ply Engine Exhaust Bellows

Duraflex's Multi-ply Exhaust Bellows feature a multi-ply design for robustness and flexibility.

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Duraflex Multi-ply Exhaust Bellows are specifically designed to handle the stresses of today’s modern engines.

  • Manufactured from thin wall stainless steel
  • Robust yet flexible enough to accept high demands of frequent starts and stops as well as minimize effects of vibration
  • Multi-ply design ensures long lasting, high cycle life 
  • Pipe size diameters from 3 in. to 18 in. 
  • Designed specifically for internal engine exhaust applications 
  • Variety of end fittings available including fixed flange, weld ends, fixed x floating flange, marmon, tube ends, integrated hydroformed ends and custom configurations 
  • Offers leak tight solution for Tier 3 and 4 applications 
  • Features high heat resistance to increase thermal excursions 
  • Single, dual or triple capsules available in a single assembly
  • Standards include short, medium and long length versions


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