Crushproof Tubing Tailpipe Oval Adapter with Hook and Chain is designed to improve exhaust system efficiency by ensuring proper fume capture and enhancing hose longevity. Compatible with 3- and 4-inch hoses, this adapter provides the optimal size and shape for effective exhaust capture and heat distribution. Featuring a hook and chain for secure attachment, it requires a loose fit over the tailpipe with at least a 1/2-inch clearance for proper function. Made in the USA, it’s a reliable choice for efficient exhaust management in automotive and industrial environments, with an optional suction cup available for flush-mounted setups.