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Shop Performance Parts for Subaru, Toyota, Nissan & More

  • ECU Tuning

    Unlock the full potential of your build with ECU tuning solutions for Subaru WRX, BRZ/GR86, Toyota Supra, and more.

  • Cold Air Intake Systems

    Upgrade airflow and increase performance with high-quality cold air intake systems.

  • Exhaust Systems

    Enhance both sound and performance with aftermarket cat-back systems to full turbo-back setups.

  • Suspension

    Performance suspension upgrades designed for better handling, cornering, and ride quality.

  • Intercoolers

    Keep intake temperatures down and power levels consistent with high-performance intercoolers.

  • Wheels

    Upgrade your stance and performance with lightweight aftermarket wheels.

Mod Now. Pay Over Time.

Build it how you want — not when your wallet says so. Split your purchase with Shop Pay, PayPal, or Affirm and get your setup dialed in today.

From Parts to Power. We Dial It In.

Anyone can sell parts. We make them work together. Our in-house tuning expertise turns your setup into a properly dialed machine — built for real performance, not guesswork.

Schedule Tuning Session

Set the Stance. Upgrade Your Look.

Aftermarket wheels built to transform your ride. Shop top brands and dial in the perfect fitment for your build.

We Know Every Second Counts

  • Free Shipping on Orders Over $199+

    Orders over $199 ship FREE to the continental US. Nearly all orders ship out the day they're placed.

  • Real Advice from Real Enthusiasts

    No scripts, no call centers. Our Sales Tech team builds and drives the vehicles you do. So every recommendation comes from real world experience.We get your project. We can help you see it through.

    Talk to a Sales Tech

    In depth product & vehicle knowledge. Techs who love cars as much as you do.

    267-603-2786
    Monday–Friday, 8:00 AM – 5:30 PM EST

  • Unmatched Quality, Unbelievable Experience

    From intercoolers to wheels to the custom tuning team that's tuned more JDM vehicles than any other, we get the details right so you can focus on driving.

Shop Top JDM & Performance Brands

Explore a curated selection of JDM parts, JDM performance upgrades, and Ford Bronco parts from industry-leading brands. Built for reliability, performance, and real-world results.

@fastofwestchester

The latest and greatest from our socials.

Customer-First. Performance-Focused.

Flexible financing, fast shipping, and clear product guidance — backed by a team that actually understands performance builds. We’re here to help you get it right the first time.

  • I can't recommend this place enough. Being able to trust a shop in the performance world is big. The 2hr drive to get there, is worth knowing the job will be done right. Very happy to have found this shop, to support my builds going forward.

    Donald Wojnar

  • I recently had the pleasure of working with FAST of West Chester for some performance upgrades on my 2022 WRX, and the experience was nothing short of exceptional. I opted for a Borla S-Type exhaust and Cygnus Coilovers, and the team at FAST nailed the installation, fitment, and setup to a T.

    Adam Cranston

  • The team at FAST are excellence in every way. First, I consulted with Dave on mods for my HPDE track car. He listened and advised me on the best parts & mods to achieve my goals. He was patient & gave me space to research the options presented & worked with me through several changes before we built. Second, the build execution was flawless, proper heat shielding, bracing and poly everywhere. All components worked as advertised.

    Bryce Budd

  • This place has been my go to shop for all things Subaru. From simple service to performance parts and tuning, they have been top notch.

    William Brunell

  • Excellent shop. They installed a Cobb Stage 2 DP and Whiteline Sway bars and end links on my 2013 WRX. The work was done right and clean. The estimate was accurate. They were very knowledgeable, friendly and gave me the straight scoop on exactly what I was getting for the money and what I needed to get where I want to be with it. I'd recommend them to any car enthusiast.

    Devin Greco

Real Builds. Real Experience. No Guesswork.

This isn’t a warehouse — it’s a performance shop. FAST of West Chester is led by Dave Brown, an award-winning Subaru and Honda builder known in the community for building cars that actually perform.

From JDM performance parts upgrades to Ford Bronco parts and complete builds, everything we sell is backed by real-world experience. We’ve installed it, tuned it, and pushed it — so you know what works, and what doesn’t.

Unlike a typical online parts store, we don’t just sell parts — we help you choose the right setup with confidence.

Get the right parts. Hit your goals the first time.

🔥 See the Latest Build