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Automotive manufacturers invest heavily in research and development when it comes to air intake design, but what happens when you want to improve airflow beyond stock without an engineering degree? For this build, we took a Mercedes E55 AMG wagon—already upgraded with a massive 2.9L...

The FMU Megaphone - our secret weapon is available for purchase HEREThe 1997 Dodge Viper Gen 2 is a beast of American engineering: an 8.0-liter V10 pushing over 400 horsepower with styling that screams pure aggression. But despite its ferocity on paper, the factory...

At Fluid MotorUnion in Naperville, Illinois, we see plenty of modified cars come through our doors, but few are as notorious for tuning challenges as a heavily modified Corvette Z06. This story dives deep into what happens when a car’s tuning doesn’t line up with...

The technicians at Fluid MotorUnion began with the fundamentals: checking for spark, swapping ignition coils, and testing spark plugs. Each step showed no change. The Huracán’s Audi-Lamborghini V10 uses a dual-injection system — both direct and port injection — designed to reduce emissions and carbon...

The FMU Megaphone - our secret weapon is available for purchase HERE Creating a high-performance, great-sounding exhaust for a Jaguar XF V6 supercharged isn’t as simple as bolting on a few straight pipes. In this detailed build, we take you through every challenge, decision,...

The FMU Megaphone - our secret weapon is available for purchase HERE When it comes to high-performance engines, sound is everything. A perfectly designed exhaust can make an engine sing like a finely tuned instrument, while a poorly matched system can leave even the...

Think your car is producing all the horsepower it can? You might be surprised. In this guide, we cover five real cases where cars were leaving wheel horsepower on the table. Some losses were obvious, others hidden behind sensors or bad assumptions. One car even...

The FMU Megaphone - our secret weapon is available for purchase HERE At Fluid MotorUnion in Naperville, Illinois, our passion for precision fabrication meets the unmistakable sound of performance. When it comes to the Nissan Silvia, few projects demand as much attention to engineering...