Formula X Car Parts
4‑inch vs 5‑inch exhaust: which size is best?
Learn the pros and cons of 4‑inch vs 5‑inch exhaust pipes, how size affects flow, power, and fitment, and get a clear checklist to choose the right diameter for your car.
Do Flowmaster Mufflers Boost Gas Mileage? Facts & Findings
Explore whether Flowmaster mufflers improve fuel economy. Learn the science, see real test data, compare models, and get practical advice on mileage impact.
Front vs Rear Brakes: Which Do the Heavy Lifting?
Learn why front brakes usually do most of the stopping work, when rear brakes matter, and how to keep both axles in top shape for safety and performance.
Which Exhaust System Adds the Most Horsepower?
Discover which exhaust upgrades add the most horsepower, compare cat‑back, turbo‑back, headers, and more, and learn how to choose, install, and tune for max gains.
Wrong Wiper Blade Size Risks: Damage, Poor Performance & How to Fix
Learn how the wrong wiper blade size damages performance, causes noise, and can harm your wiper system. Get step‑by‑step sizing tips, installation advice, and a handy comparison table.
Do Spark Plugs Do More Than Just Help Start Your Car?
Learn why spark plugs do more than just start the engine, how they affect performance, signs of wear, and step‑by‑step replacement tips.
How to Test Your Car Suspension: Simple DIY Methods
Learn simple DIY methods to test your car suspension, spot problems early, and know when to seek professional help.
Do Upgraded Clutches Really Boost Acceleration?
Learn if an upgraded clutch truly speeds up your car, how it works, real performance data, installation tips, and when the upgrade is worth it.
Which Suspension Type Delivers the Smoothest Ride?
Explore which suspension types give the smoothest ride, from air and hydraulic systems to MacPherson struts and leaf springs, plus tips on choosing and maintaining the right setup.
Best Air Filter for Dust Removal: HEPA vs. Cotton vs. Synthetic
Find out which air filter captures the most dust, compare HEPA, cotton, synthetic and paper options, and get installation plus maintenance tips.
How to Choose the Right Exhaust System for Your Car
Learn how to pick the right exhaust system by defining performance goals, choosing the right architecture, material, and budget, plus installation tips and a real‑world example.
What Happens When a Fuel Pump Goes Bad? Symptoms, Diagnosis & Fixes
Learn how a failing fuel pump affects your car, spot the warning signs, diagnose the issue, and understand repair options to keep your ride running smoothly.