WELCOME TO FUNCTION FACTORY PERFORMANCE
Factory Proven. Factory Backed. — Premium performance parts & expert installation since 2017
FIND PARTS FOR YOUR VEHICLE
Select your year, make, and model to see compatible parts
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
-
Anderson Composites 2015-2018 Dodge Charger Demon Style Carbon Fiber Hood
$1,999.00Contact Us for More Information
-
Seibon Carbon Fiber Fog Light Surround For 2016-2018 Ford Focus RS
$700.00Contact Us for More Information
-
AWE 2016-2018 Ford Focus RS Touring Edition NON-Resonated Cat Back Exhaust
$1,545.00Contact Us for More Information
-
Anderson Composites 2015-2021 Ford Mustang Carbon Fiber Decklid Panel (No Emblem)
$699.00Contact Us for More Information
-
Anderson Composites 2015-2017 Ford Mustang Carbon Fiber Type-AR Front Chin Splitter
$1,199.00Contact Us for More Information
-
Diode Dynamics 2010-2019 Ford Mustang Tail Light Sequencer
$79.95Contact 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
-
XForce 2015-2020 Ford Mustang EcoBoost 2.50-Inch Varex Cat-Back Exhaust with Oval Rear Mufflers
$1,259.10Contact Us for More Information
-
XForce Ford Mustang EcoBoost Twin 2.50-Inch Cat-Back Exhaust with Round Rear Mufflers
$900.00Contact Us for More Information
-
Corsa Performance 2015-2021 Ford Mustang EcoBoost Sport Cat-Back Exhaust with Black Tips
$1,983.99Contact Us for More Information
-
Borla Exhaust 2015-2023 Ford Mustang EcoBoost Stinger S-Type Cat-Back Exhaust with Polished Tips
$1,597.99Contact Us for More Information
-
XForce 2015-2020 Ford Mustang EcoBoost 2.50-Inch Varex Cat-Back Exhaust with Round Rear Mufflers
$1,300.00Contact Us for More Information
-
Stainless Works 2015-2020 Ford Mustang EcoBoost Cat-Back Exhaust with Y-Pipe
$1,610.25Contact Us for More Information
-
Stainless Works 2015 Ford Mustang EcoBoost (w/ SW Cat-Back) Performance Catted Downpipe
$1,135.25Contact Us for More Information
-
Stainless Works 2015-2020 Ford Mustang EcoBoost (w/ Stainless Works Downpipe) Cat-Back Exhaust with Y-Pipe
$1,610.25Contact 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
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