WELCOME TO FUNCTION FACTORY PERFORMANCE
Factory Proven. Factory Backed. — Premium performance parts & expert installation since 2017
FIND PARTS FOR YOUR VEHICLE
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CHOOSE YOUR PLATFORM
Premium performance parts for the world's most exciting vehicles
BEST SELLERS
Our most popular performance parts — proven by thousands of enthusiasts
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ZL1 Addons 2017-2020 Honda Civic Type R Deluxe Rock Guards
$71.49Backorderd - 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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Mercedes-Benz OEM Air Filter Element (278-094-00-04)
$67.00Available
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EOS 2020-2026 Toyota Supra A91 CF Front Splitter Lip
Price range: $299.98 through $349.98Available
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Mercedes-Benz Spark Plug
$40.00Available
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Mercedes-Benz Ignition Coil
$122.00Available
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Genuine Mercedes-Benz Radiator Shell
$2,080.00Available
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CVF 2015 – 2023 Ford Mustang EcoBoost Throttle Body Spacer
$49.99Backorderd - Call or Email For ETA
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Diode Dynamics 2015-2017 Ford Mustang Switchback Turn Signal LED Kit
$99.95Contact Us for More Information
Certified Specialist
THORNEY MOTORSPORT OF LOS ANGELES
Factory-trained Thorney Motorsport independent specialist. Expert service, genuine parts, and performance upgrades for all McLaren models.
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EOS 2020-2024 Chevrolet Corvette C8 Carbon Fiber Engine Bay Panel Accent Covers
$399.98Backorderd - Call or Email For ETA
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EOS 2014-2019 Chevrolet Corvette C7 Stringray Stage 2.5 ZR1 Conversion Extended Carbon Fiber Front Splitter
$799.98Backorderd - Call or Email For ETA
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EOS 2005-2013 Chevrolet Corvette C6 Grand Sport / Z06 Carbon Fiber Side Panel Mud Flaps
$159.99Backorderd - Call or Email For ETA
McLAREN EXTENDED WARRANTY COVERAGE
Protect your investment with comprehensive coverage from Thorney Motorsport — the UK's leading independent McLaren specialists.
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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