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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Function Factory Performance Miami Vice T-Shirt
Original price was: $39.00.$31.59Current price is: $31.59.Available
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FFP 2015-2023 Ford Mustang GT350 Track Pack Rear Wing – Carbon Fiber
$389.99Backorderd - 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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Supertech 2015-2023 Ford Mustang 2.3L Eco Boost Forged 88mm Piston Set – 88mm Bore
$850.91Contact Us for More Information
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BMR 2015-2021 Ford Mustang Lightweight Front K-Member – Red
$589.95Backorderd - Call or Email For ETA
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McLeod Performance 2018-2020 Ford F150 5.0 / Mustang GT 10R80 Transmission Friction Plate and Steel Kit
$795.00Contact Us for More Information
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MMR 2015-2021 Ford Mustang EcoBoost / GT / GT350 / GT500 Carbon Fiber Drag Wing
$1,017.99Backorderd - Call or Email For ETA
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EMS Custom Tune 2015-2023 Ford Mustang Ecoboost Auxiliary Fuel System Tune (6th Port or Port Injection)
$225.00Contact 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 Corvette C8 ZR1 MATTE BLACK Front Bumper Vented Extractor Hood
$1,299.98Backorderd - Call or Email For ETA
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EOS Corvette C8 CARBON FLASH Engine Bay Trim Appearance Panel Cover
$689.98Backorderd - 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.
FROM THE BLOG
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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.
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