Here at Midwest M20, we love your Mooney. Nothing makes us happier than discovering ways to modify the already classic Mooney design to make it more powerful, more flexible and more fun to fly.

Using only manufacturer parts, Midwest M20 is home to such innovative STCs as the 310HP Conversion for models M20R and M20S and the Polyurethane Fuel Tank STC.

Conceived by our team of experts, substantiated by rigorous testing and proven by satisfied Mooney owners the world over, our 310HP Conversion means faster climbing and faster flying. Click here to learn more.

Our exclusive Polyurethane Fuel Tank STC will increase the life of your fuel tank tenfold; instead of necessary fuel tank seal maintenance in five years, our polyurethane fuel tank seal will last fifty years or more.Click here to learn more.

We also offer various modifications that result in dramatically improved range and increased speed, more comfort, better safety and an overall improved flying experience that is applauded by Mooney Airplane Company itself.

Explore the list to the left and click on your choices to find out more about these popular Midwest M20 modifications.