Follow Us:
MADNESS Autoworks
2716 Dawson Ave. Signal Hill, CA 90755
888-993-7552 (US) // 562-981-6800
MADNESS Featured On
Our continuous mission is to provide other FIAT owners a high level of customer service and support. Our goal is to treat our fellow owners the same way we would want to be treated when shopping for car accessories or getting a car serviced. Whether you need something simple or want to take your FIAT to the next level, 500 MADNESS is your One Stop FIAT Shop.
Not sure what to get your favorite FIAT Fan for the holidays?
Check out our Gift Ideas section
With a variety of gifts to choose from, you are bound to find the perfect gift.
  • We won't be beat!
  • Found it for less?
  • We'll beat it!*
  • We guarantee
  • you're getting the best deal
  • 888-993-7552 (US)
  • 562-981-6800
  • * Terms and Conditions Apply
See what people have to say!

"...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

MADNESS Video Feed
MADNESS Image Feed
Customized Cars
We won't be beaten! Found an item for less? We'll beat it!*
We appreciate your business!
List your FIAT for sale absolutely free!

MON - FRI: 9AM to 6PM
SAT: 9AM to 4PM
Call 562-981-6800