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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Roush Performance 2005-2009 Ford Mustang Serpentine Belt, Single Belt Phase 1 & P-51A, R2300 ROUSHch
$74.99Contact Us for More Information
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Roush Performance 2019 Ford F-150 (Raptor Only) 3.5L – Performance Pac Level 2
$2,119.99Contact Us for More Information
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Roush Performance 2015-2021 Ford Mustang Quarter Panel Side Scoops – Black
$369.99Contact Us for More Information
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Roush Performance 2015-2017 Ford Mustang Front Fascia ONLY – Raw
$999.99Contact Us for More Information
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ISR Performance 1995-1998 Nissan 240sx S14 Straight Dual 3″ Tip Exhaust
$418.00Contact 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
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Roush Performance 2010 Ford Mustang / GT500 Exhaust Kit, Dual Cat-Back, Enhanced Sound
$619.99Contact Us for More Information
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Roush Performance 2005-2014 Ford Mustang Hood Strut Kit
$149.99Backorderd - Call or Email For ETA
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Roush Performance 2013-2014 Ford Mustang Lower Grille, Black
$264.99Contact Us for More Information
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Roush Performance 2013-2014 Ford Mustang Upper Grille, Black
$289.99Contact Us for More Information
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Roush Performance 2015-2020 Ford Mustang Quarter Window Scoops (Painted Black)
$339.99Contact 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.
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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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