Auto-jet Muffler CORPORATION

Auto-jet Muffler Corporation, located in Des Moines, Iowa, has provided mandrel tube bending and aluminized 409, 304 and 316 stainless steel tubing for the OEM, construction and agricultural equipment exhaust, truck exhaust, school bus exhaust, and off-road vehicle exhaust markets, since 1959. Auto-Jet is also your muffler manufacturer and mandrel tube bending fabricator, primarily for exhaust, air intake and coolant tubes. We are able to meet Tier IV emissions materials compliance in our assemblies.

Click on the appropriate division below to find our catalogs.

No Job is Too Big or Too Small!
We do cost effective small custom bending with quick turnaround.


As of September 3, 2015, Auto-jet Muffler Corp. has been certified to the ISO 9001:2008 standard. We are delighted to serve our customers even better through the well-defined and documented processes this certification requires. While we’ve always been committed to quality in our products and services, this certification ensures a more productive environment through faster identification and resolutions of quality issues, among many other benefits.

We partnered with Smithers Quality Assessments,, an accredited quality and environmental management systems certification body to achieve our certification.

Auto-jet takes great pride in establishing a Quality Management System to better serve our customers. A lot of hard work and dedication has been put into ensuring our QMS system is maintained not only for our customers but also so our employees are provided with the best possible platform to succeed.

Our company quality policy is as follows: “Auto-Jet Muffler Corp. is committed to meet and exceed our customer’s requirements and expectations by delivering on-time quality products at a competitive price. We will accomplish this by commitment to our quality system, pursuit of excellence, and investment in our employees.”