6430 Cascade rd. se, Grand Rapids, MI 49546, US
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Welcome to Maddogs Motor Sports Porsche Performance Parts

Design and Develope

Each of our Porsche performance parts are designed using state of the art 3D CAD modeling software to improve accuracy and ensure that the product fits and functions properly. Check out our Porsche after market parts.


Manufacturing and Fabrication

All of our products are laser cut and brake formed, then either mig or tig welded. 

Custom Products

Customization, we have worked with several customers to customize one of our products to fit their application. We are always looking to produce new products so if you don't see what you need contact us. 

About Us

 I fell in love with the Porsche 911 when I was a teenager and I knew that one day I would own one somehow. I bought my first Porsche, a 1970 911 E, when I was 20 years old and it was a basket case. It took me almost 3 years to restore/customize it. When it was done, I had a beautiful car.  It was a black on black 930 turbo wide body replica. I tell you nothing sounds sweeter than the 911 motor with headers and supertrapps screaming down the road, it is a very unique sounding engine. After the 911 I decided to get a 914, but I knew I was not going to be happy unless it had a six in it! So after researching what I would need to do the conversion and the costs involved, I decided to make some of the parts that I would need. I have designed and developed all the parts I sell here with the help from other people in the 914 community. I have been selling my parts online through Ebay and the 914 forums for almost 18 years now. I try to continually improve my parts from the feedback I receive from customers to make my products better and easier to install.