American Authority

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2014-19 Corvette - Vertical Lambo Doors

$1,286.10 $1,429.00

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2016-24 Camaro - The Muscle Widebody Kit

From $3,365.98 $3,739.98

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2020-25 Corvette - Vertical Lambo Doors

From $2,249.10 $2,499.00

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2024-25 Mustang - Vertical Lambo Doors

$1,979.10 $2,199.00

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Camaro ZL1 Letters Badge

From $13.48 $14.98

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2016-24 Camaro - The Muscle Widebody Kit

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STREETFIGHTER LA

Select: LT/LS/RS/SS Base Kit (No Spoiler)

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$3,365.98 $3,739.98

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2016-24 Camaro - The Muscle Widebody Kit

From $3,365.98 $3,739.98

2011-23 Challenger - Street Version Aluminum LED Side Splitter

From $2,644.95

2016-24 Camaro - Vertical Lambo Doors

$1,199.00

2020-24 Corvette - SHD Widebody Kit

From $6,224.98

2016-24 Camaro - Bakkdraft Rear Window Louver

From $469.95

2008-23 Challenger - Aluminum LED Rear Diffuser

From $2,184.95

Challenger Charger - Hellcat Cutout Badge

From $62.25

Save $249.90

2020-25 Corvette - Vertical Lambo Doors

From $2,249.10 $2,499.00

2015-23 Challenger SRT R/T - Street Version Aluminum LED Splitter

From $2,259.95

2015-23 Charger - Street Version Aluminum LED Splitter

$2,234.95

2015-23 Charger - Aluminum LED Rear Diffuser

From $2,184.95

2015-23 Challenger SXT R/T - Street Version Aluminum LED Splitter

From $2,184.95

American Brother Designs - Made In USA

American Brother Designs, LLC is housed in a 30,000 square foot CNC machining, manufacturing and finishing facility in Carson City, Nevada. We take pride as a company in designing and offering the auto accessory industry’s largest variety of billet finishes.

Products

Decal Concepts - Made In USA

An innovative decal graphic manufacturer unlike any other

- precision cut decal graphics using computer-aided design (CAD) software
- graphics are designed and manufactured in-house, so we can ensure the highest quality
- easy installation and a perfect fit

Products

WORLDWIDE SHIPPING

THE MAJORITY OF THE PRODUCTS WE OFFER CAN SHIP WORLDWIDE

Shipping Quote

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PRICE MATCH! YES WE DO!

LET US KNOW BEFORE YOU BUY

Let Us Know

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BUILDING TOGETHER WITH AUTHORITY

Welcome to American Authority! This isn’t just business, it’s personal! We’re not just here to make cars go faster, we’re here to make a difference! Since 2017, American Authority has been driven by not only by passion for performance and custom builds but a deep respect for the people who serve our country and communities.

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