WELCOME TO FUNCTION FACTORY PERFORMANCE
Factory Proven. Factory Backed. — Premium performance parts & expert installation since 2017
CHOOSE YOUR PLATFORM
Premium performance parts for the world's most exciting vehicles
🔥 Top Seller
MUSTANG
S550 • S650 • GT500 • EcoBoost • Dark Horse
TM Specialist
ALL MODELS
720S • 750S • 765LT • 600LT • Artura
🔥 Hot
CORVETTE
C8 Stingray • Z06 • Z07 • E-Ray
🎮 New
SIMULATORS
Turnkey • Chassis • Wheel Bases • Pedals
FACTORY PROVEN. FACTORY BACKED.
Our crew of passionate car enthusiasts, led by owner and founder Charles Siritho, carefully hand-selects our premier products. We rigorously test performance parts on our Ford Mustangs, McLarens, and customer vehicles.
We only sell products that meet our high quality and performance standards. Our mission is to educate and guide you every step of the way.
"We built FFP to be the shop we always wished existed — expert knowledge, premium parts, and no BS."
BEST SELLERS
Our most popular performance parts — proven by enthusiasts
Certified Specialist
THORNEY MOTORSPORT OF LOS ANGELES
Factory-trained Thorney Motorsport independent specialist. Expert service, genuine parts, and performance upgrades for all McLaren models. Their servicing routine is based on what the vehicle needs — not a fixed checklist.
NEW ARRIVALS
The latest performance parts — fresh from our warehouse
BUILT FOR SPEED
Premium performance parts for America's supercar. From intake to exhaust, we've got your C8 covered.
🏎️ Shop Corvette PartsFROM THE BLOG
Install Feature
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Supercars, spectacle, and sleepless nights at the world's most prestigious event.
Guide
Ultimate Guide To Modifying Your EcoBoost Mustang
Everything you need to build the perfect EcoBoost Mustang.
Explore All Articles
Browse our complete collection of build features and guides.
LET'S MAKE YOUR DREAM BUILD
Questions about parts? Need installation advice? Want to start a build?
Our team of enthusiasts is here to help — no pressure, just passion.
Thousand Oaks, CA 91360
Tue-Fri: 9AM-5PM
Sat-Sun: Closed