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
BEST SELLERS
Our most popular performance parts — proven by thousands of enthusiasts
-
BUDDY CLUB P-1 Limited Edition FPR Bucket Seat Black Regular
$649.98Available
-
Function Factory Performance Original Die Cut Sticker
Original price was: $10.00.$8.10Current price is: $8.10.Backorderd - Call or Email For ETA
-
Function Factory Performance Pin Up Girl T-Shirt
Original price was: $39.00.$31.59Current price is: $31.59.Available
-
Function Factory Performance Predator T-Shirt
Original price was: $39.00.$31.59Current price is: $31.59.Available
-
Function Factory Performance Miami GT500 T-Shirt
Original price was: $39.00.$31.59Current price is: $31.59.Available
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 built FFP to be the shop we always wished existed — expert knowledge, premium parts, and no BS."
NEW ARRIVALS
Fresh drops — just landed in our warehouse
-
Kooks 2016-2022 Ford Mustang Shelby GT350R / GT500 Headers & Green Catted Connection Pipe Kit
$5,290.45Backorderd - Call or Email For ETA
-
Garrett Motion GVW 50MM Red External Wastegate
$555.99Backorderd - Call or Email For ETA
Certified Specialist
THORNEY MOTORSPORT OF LOS ANGELES
Factory-trained Thorney Motorsport independent specialist. Expert service, genuine parts, and performance upgrades for all McLaren models.
McLAREN EXTENDED WARRANTY COVERAGE
Protect your investment with comprehensive coverage from Thorney Motorsport — the UK's leading independent McLaren specialists.
FROM THE BLOG
Install Feature
FFP Reimagines the McLaren 750S: A NOVITEC Collaboration
Function Factory Performance transforms a McLaren 750S with NOVITEC upgrades.
FFP News
FFP Does Monterey Car Week 2025
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 TALK PERFORMANCE
Questions about parts? Need install advice? Our team of enthusiasts is here to help you build the perfect setup.
805-267-9762