500 MADNESS

YOUR ONE STOP SHOP

The largest selection of aftermarket parts and accessories for the FIAT globally!

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Who we Are

Who we are: MADNESS Autoworks

MADNESS Autoworks is the parent company of 500 MADNESS.

Our goal at MADNESS Autoworks is to provide you, our fellow enthusiast with the very best in products and services at reasonable prices with a personal touch. We treat our customers like family members and do our best to make sure every one of our customers gets the very best treatment possible.

What People are Saying

...thanks again for all your help! You are always great and you guys have earned all of my business! I just paid via PayPal so you should be all set.

Sean M

I love this site and your products are amazing. I am happy with all of these amazing things people can add to their Fiats! Grazie!

Rocco Cosentino

This is the definite one-stop shop for anything you want or need to put AND keep your car in tip-top shape!

Khalil Williams

MADNESS GOPedal - It is an amazing upgrade! With the MM module work amazing. Thank you guys you are the best.

Cristiano Minchio

Special thanks to Justin is a super leader in customer service, A + + + +. Thanks again and look forward to doing business with you.

Jose Aponte

Thank you very much Art. Your help has been top class man. I will definitely refer you to anyone who may be looking for something.

Joe De Vivo

I just wanted to Compliment You for the EXCELLENT SERVICE. I received an e-mail this morning indicating my parts had shipped. @2:00 this afternoon there they are at my front door!!! That is FANTASTIC ! You have a Customer for Life.

Bob Powell

It was great meeting everyone in your shop. Keep up the good work. Your shop and service is top notch.

Gerald Johnson

IMO, the service is top end all the way, and the product I bought is absolutely awesome!

C Thrasher

I couldn't be more pleased. Thanks to you, Rachel, John, Joseph, and the entire team! I walked out with a brand new car.

Brandon

Wish I had your Customer Service Department where I work. You guys are GREAT.

Charles Matthai

I can’t express the appreciation of customer service enough. Going straight to you guys for everything going forward the middle men constantly drop the ball.

Nick Roman

Your One Stop Shop!

High quality parts, accessories, installation and customizing services.

Beyond the Internet

We stock thousands of parts in our locations and install on premises.

Don't see an item online?

If there is an item you need, but you do not see it in our online store, contact us directly!

Lowest Price Guarantee

We won't be beat! Found it for less? We'll beat it!*

Take your car to the next level!

From mild to wild, we can do it all!

Community Driven

Community + Passion = Family

Local Installation & Customization

We operate full service facilities in the Los Angeles, CA and Austin, TX area.

Accessorizing your FIAT has never been easier than with 500 MADNESS!


500 MADNESS works with 100's of manufacturers and stocks 1,000's of accessories. Whether you need performance parts, new wheels / tires or something as simple as a set of Custom Floor Mats we have it all. If there is something special that you are looking for that we do not stock have no fear! We can source just about any part or accessory for you. In addition, we have a Lowest Price Guarantee and offer installation on premises.

Let 500 MADNESS Customize your favorite ride!


We have customized 100's and 100's of cars for company promotion, celebrities, TV shows, car collectors, and most importantly enthusiaists like you. We can assist you with something as simple as installing a Custom Exhaust System or fully transforming your stock FIAT to a real head turner.

Set you FIAT apart from the croud.


Let us know the theme or look you are going for or allow us to suggest some options. We will work with you to design a concept that will allow you to visualize what your FIAT "can" look like. If you like what you see, we have the means and the knowledge to take it from concept to reality. Our work has been and continues to be featured on a number of TV Shows, Online Media, Print Media and at Car Shows all over the country. Let us help you personalize your favorite ride. Our goal at MADNESS Autoworks is to deliver on time, on budget and in a condition that exceeds your expectations!
Drive Now, Pay Later! Make monthly payments with no hidden fees.
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Two locations to serve you

AUSTIN, TX
22108 SH 71 W.
Spicewood, TX 78669
512-982-9393
Mon-Fri: 9 AM - 6PM CST
Sat-Sun: Closed
LOS ANGELES, CA
2716 Dawson Ave.
Signal Hill, CA 90755
562-981-6800
Mon-Fri: 9 AM - 6PM PST
Sat-Sun: Closed
We are an independent company and are not affiliated with Stellantis, FCA, Fiat, Abarth or any of their affiliated companies. Any references herein to vehicles or parts manufactured, distributed, or sold by them are done only to identify those vehicles for which we provide aftermarket parts or services or parts that we resell for aftermarket purposes. We are not licensed to use any trademarks or service marks owned by Stellantis, FCA, Fiat, Abarth or any of their affiliates.