September 15, 2026
Top 10 Performance Mods for the FIAT 124
Top 10 performance mods for the FIAT 124, including engine, intake, exhaust, suspension, ignition, and handling upgrades from 500 MADNESS.
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The MAXBoost Engine Control Module (ECM) by MADNESS Autoworks is a game-changer for enthusiasts looking to unlock their vehicle’s true potential.
Throttle Response Controller
MADNESS GOPedal Plus
One of our top recommended mods for those
looking to improve the performance and response!
Bespoke Air Filters
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September 15, 2026
FIAT Topolino Throttle Response Upgrade | MADNESS GOPedal Plus
See how the MADNESS GOPedal Plus improves FIAT Topolino throttle response, pedal feel, and driving enjoyment with a quick plug-and-play upgrade.
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September 15, 2026
How to Make Your FIAT Topolino Faster
Make your FIAT Topolino faster with the best performance upgrade for 2026. Improve acceleration, throttle response and overall driving performance.
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Accessorizing your ride 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 vehicle to a real head turner.Set you vehicle 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 car "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 500 MADNESS is to deliver on time, on budget and in a condition that exceeds your expectations!
Our goal at 500MADNESS is to provide you, our fellow enthusiast with the very best in products and services at reasonable prices with a personal touch.
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Two locations to serve you
LOS ANGELES, CA
2716 Dawson Ave.
Signal Hill, CA 90755
562-981-6800
Signal Hill, CA 90755
Mon-Fri: 9 AM - 6PM PST
Sat-Sun: Closed
This location is open by appointment only
and is not open to the general public.
and is not open to the general public.