The flexible metal bellows have been improved by switching from a multipart crimped design to more robust, one-piece swaged bellows. Our exhaust leak originated at several failing crimps in the ...

Q: I live in New York and own a 2013 Mazda CX5 with 98,000 miles. The exhaust was getting loud, and after inspection, my mechanic said the flex exhaust pipe was failing.

For the sake of 25 smackers and 25 minutes lying supine under the car, it’s a great solution (for now) compared to torching off a rusted flex pipe and welding in a new one.