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The Expandit Company Specializes in OEM Tube & Exhaust Manufacturing Services for Heavy-Duty Off-Road Industrial, Military, Agriculture, and Recreational Vehicles.

If you need any OEM tube or muffler manufacturing done, you can count on TEC’s team to get it done right. We specialize in exhaust systems, mufflers and catalysts, power generation, coolant tubes, charge air coolers, radiators, and much more. With a combined experience of over 100 years of tube and muffler fabrication experience, we can meet or exceed almost any of our customers’ expectations.

Products and Services

Custom Performance
Exhaust Systems

The Expandit Company, LLC, (TEC) is a leading manufacturer of custom exhaust systems with over a hundred years of cumulative experience crafting exemplary exhaust components. Our state-of-the-art facility in Winterset, Iowa, specializes in designing and fabricating high-performance exhaust systems tailored to your specific needs.

Custom Performance Exhaust Systems
OEM Tube and Exhaust Manufacturing Systems

OEM Tube and Exhaust 
Manufacturing Systems

The Expandit Company (TEC) is a premier manufacturer of high-quality original equipment manufacturer (OEM) exhaust systems. With over a century of combined experience in tube and muffler fabrication, we have the expertise to meet and exceed the stringent requirements of OEM applications.

Exhaust System
Parts and Accessories

You deserve nothing but the best when looking for great parts for your vehicle. Rest assured that you’ll get affordable, high-quality parts at TEC. Give us a call if you need a turbocharger, a new exhaust system, or a muffler.

When it comes to accessories, we have what you need. These include stainless steel and chrome exhaust tips, elbows, and clamps. We’ve got a variety of them, ranging from 500ACC to 500600 SS tips. Anything you need in between, we’ve probably got that, too. Count on us to answer all your queries about accessories.

Parts Accessories
Others May Do It

Others May Do It
But No One Does It Better

There are countless differences between TEC and our competitors. Here are just a few:

  • Strong relationships with key engine manufacturers

  • Customer-centric culture and responsive support team

  • We answer the phone! You will never get our voicemail between 7 am and 5 pm

  • Quick turnaround and low-priced prototypes

  • Multiple facilities in Iowa for redundancy/disaster recovery

  • We use US-produced steel exclusively

  • Prototype manufacturing matching customers’ prints

  • Balanced customer concentration

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