The CRUSHPROOF ACT400DYNO is a 4″ x 11′ Exhaust Hose engineered for extreme temperature resistance and long-lasting durability. Constructed from a high-temperature rubber blend with a heavy wall thickness, it’s ideal for use in dynamometer testing and high-output exhaust environments. For best performance and longevity, always use with an appropriate adapter and allow the hose to cool after each use.

Key Features:

• Made from high-temperature rubber blend for dyno and heavy-duty exhaust applications
• Heavy wall thickness increases strength, durability, and heat resistance
• 4″ inner diameter × 11′ length – ideal for standard dynamometer setups
• Designed for high-heat environments – compatible with exhaust extraction systems
• Prolongs service life when used with an adapter and cooled between uses