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
-
EOS 2005-2013 Chevrolet Corvette C6 Base Side Skirts Rocker Panels – Primer Black
$149.99Contact Us for More Information
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
-
NOVITEC McLaren 540C / 570GT / 570S Carbon Mirror Covers
Price range: $2,100.00 through $2,200.00Available
-
NOVITEC McLaren 540C / 570GT / 570S N-Largo Trunk Lid
Price range: $8,600.00 through $8,900.00Available
-
NOVITEC McLaren 540C / 570GT / 570S Carbon Rear Wing
Price range: $6,300.00 through $6,500.00Available
-
NOVITEC McLaren 540C / 570GT / 570S Carbon Side Air-Intake Covers
Price range: $2,700.00 through $2,800.00Available
-
NOVITEC McLaren 540C / 570GT / 570S Carbon Front Spoiler Lip
Price range: $3,000.00 through $3,100.00Available
-
NOVITEC McLaren 540C / 570GT / 570S MC3 Forged Wheel Set
$11,500.00Available
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



































