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
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EOS 2017-2023 Chevrolet Camaro ZL1 1LE Carbon Fiber Front Air Duct & Canards
$889.98Contact Us for More Information
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XDI 2015-2023 Ford Mustang EcoBoost EVO & 2000cc Injector Bundle
$2,199.00Backorderd - Call or Email For ETA
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Trak Racer Haptic Bass Shaker Kit with 200W Bass Amp and 100W Shaker
$249.00Backorderd - Call or Email For ETA
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FFP 2024-2025 Ford Mustang Carbon Fiber AC Controls Cover
$89.98Backorderd - Call or Email For ETA
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
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NOVITEC Sport Spring Set for Ferrari F8 Tributo / Spider
$2,318.40Available
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“NOVITEC x Vossen” NF11 Wheel Set for Ferrari F8 Tributo / Spider
$12,604.00Available
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NOVITEC N-TRONIC for Ferrari F8 Tributo / Spider
$4,968.00Available
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NOVITEC SWITCHTRONIC for Ferrari F8 Tributo / Spider
$1,429.68Available
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NOVITEC TECTRONIC for Ferrari F8 Tributo / Spider
Price range: $1,865.76 through $3,687.36Available
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MAZ 2024-2026 Ford Mustang S650 GT4-R Fenders and GTD Hood Combo
$2,824.99Available
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Manley Performance 2015-2023 Ford Mustang 2.3L EcoBoost Platinum Series Lightweight Pistons – +.5mm Overbore
$830.43Backorderd - 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.
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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