Home

Explore

View Cart

Deals

Saved

Suggested searches

Plant-based protein powders
Vegan leather handbags
Bedroom decor
Waterproof jackets
Hoodies

Learn more about how we use your data to personalize your experience and ads. Recommendations are for informational purposes only.

American Authority

Products

Products

American Authority

2015-23 Challenger - Rear Diffuser

4.5 (1,234)

Sold 100+ last 30 days

20% off first order

$279.98

Color

Black

Quantity

Product description loading

Product description loading

This is the product description text that will appear here.

Shopping designed around you.

Start selling

For brands

For creators

Build your store

Information

Shop Pay

Help center

Social

X (Twitter)

Instagram

Legal

Terms of Service

Privacy Policy

Your Privacy Choices

Powered by

|

Start selling for free

Language

© Shopify Inc. 2026

Quantity

1

You might also like

American Authority

2018-23 Challenger Widebody Demon - Body Kit

American Authority

2011-23 Challenger - Street Version Aluminum Side Splitter

American Authority

2008-23 Challenger - Torch Quarter Window Louvers

American Authority

Decal - Instagram TikTok YouTube Username

American Authority

2015-23 Challenger SRT Hellcat- Widebody Kit V2

American Authority

Challenger Charger - RFX11 Wheels - Gloss Black - Titanium - Bronze

2015 - 2023 Dodge Challenger Rear Diffuser - Speedlogix

Speedlogix

2015-2023 Dodge Challenger Rear Diffuser

American Authority

2011-23 Challenger - Street Version Aluminum LED Side Splitter

American Authority

2016-24 Camaro - Classic Edition Rear Diffuser

American Authority

2015-23 Challenger - Center Console Cover - Carbon Fiber

American Authority

2008-23 Challenger - Side Mirror Covers - Carbon Fiber

ZL1 Addons

Challenger 15-23 Body Kit

(12)

American Authority

2015-23 Challenger - Rear Diffuser - Aluminum Composite

American Authority

2014-24 Camaro - Stealth Wicker Bill

American Authority

2015-23 Challenger - Titanium Tow Hook

American Authority

2015-23 Challenger - Body Kit

American Authority

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

American Authority

2015-23 Challenger - SRT Track Pack Style Rear Valance Diffuser

American Authority

2016-24 Camaro - ZL1 Style Rear Valance Diffuser

American Authority

2008-23 Challenger - Rear Window Louver

American Authority

2015-23 Charger RT - Body Kit

Exclusive offer available

EMP.Parts

2015-23 Challenger EMP Rear Diffuser V1

American Authority

2015-23 Challenger - Dash Trim Cover - Carbon Fiber

American Authority

2017-24 Camaro ZL1 - Front Lip Splitter

American Authority

2008-23 Challenger - Terminator Style Hood - Carbon Fiber

American Authority

Challenger Charger - Hellcat Redeye Cutout Badge

(1)

American Authority

2015-23 Charger - Aluminum Rear Diffuser

American Authority

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

American Authority

2016-24 Camaro ZL1 - Widebody Kit V2

American Authority

2015-23 Challenger - Taillight Trim Cover - Carbon Fiber

American Authority

2015-23 Challenger - Deluxe Rock Guards

American Authority

2008-23 Challenger - Strap Points

American Authority

2008-23 Challenger - Aluminum Rear Diffuser

American Authority

2010-15 Camaro - Rear Diffuser V1

American Authority

2015-23 Challenger SXT GT RT SRT Demon - Aluminum Drag Style Wicker Bill

American Authority

Challenger - Demon Cutout Badge

(1)

American Authority

2008-23 Challenger Charger - Lift Pads

American Authority

SRT Hellcat LED Badge

American Authority

2014-24 Camaro - Dive Planes

American Authority

2008-23 Challenger - OEM Style Trunk Lid - Carbon Fiber

American Authority

2015-23 Challenger - Rear Decklid Spoiler - Carbon Fiber

Exclusive offer available

EMP.Parts

2015-23 Challenger EMP Rear Diffuser V2

(1)

American Authority

2015-23 Mustang - Classic Edition Rear Diffuser

American Authority

2012-15 Camaro ZL1 - Front Lip Splitter V1

American Authority

Wheel Spacers

American Authority

2008-23 Challenger - Side Splitters

American Authority

2015-23 Challenger - Rear Diffuser - Carbon Fiber

American Authority

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

American Authority

2016-24 Camaro - Aluminum LED Rear Diffuser

American Authority

Challenger Charger - HEMI Exterior Badge

American Authority

2008-23 Challenger - Bakkdraft Rear Window Louver

American Authority

2008-14 Challenger RT - Classic Edition Rear Diffuser

American Authority

2009-23 Challenger - Vertical Lambo Doors

(1)

American Authority

2016-18 Camaro SS - Front Lip Splitter and Fender Extension Kit

American Authority

2008-23 Challenger - SRT Hellcat Style Front Bumper

American Authority

2015-23 Challenger - Hellcat RedEye Style Spoiler With Wicker Bill

American Authority

2015-23 Charger - Aluminum LED Rear Diffuser

American Authority

2015-23 Mustang - Drag Edition Rear Diffuser

American Authority

2014-19 Corvette - Rear Valance Diffuser Vents - Carbon Fiber

ZL1 Addons

Challenger 15-23 Diffuser

(11)

American Authority

2015-23 Challenger - Splitter Guards

Downforce Solutions

2015-2023 Dodge Challenger Rear Diffuser

(3)

American Authority

2008-23 Challenger - Aluminum LED Rear Diffuser

American Authority

2008-23 Challenger - 2PC Side Splitters - Aluminum Composite

American Authority

Scat Pack LED Badge

American Authority

2019-23 Challenger RT Scat Pack - Side Skirt Splitters

Dodge Challenger (2015 - 2024) Rear Diffuser - Speedlogix

Speedlogix

Dodge Challenger (2015-2024) Rear Diffuser

American Authority

Challenger - Challenger Grille Badge

(1)

American Authority

2015-23 Challenger - American Flag Trunk Decklid Decal

American Authority

2015-23 Challenger SXT GT RT SRT Demon - Aluminum Wicker Bill

American Authority

Challenger Charger - R/T Exterior Badge

American Authority

2008-23 Challenger - Wicker Bill - Aluminum Composite

American Authority

2010-24 Camaro - Stealth Lift Pads

American Authority

2015-23 Challenger - Deluxe Rear Diffuser

(1)

ZL1 Addons

Challenger 15-23 Deluxe Diffuser

(4)

American Authority

2008-23 Challenger - Carbon Fiber Wicker Bill

American Authority

R/T LED Badge

American Authority

American Flag Badge

American Authority

2015-23 Challenger - Seat Covers Front and Rear - Artificial Leather

(1)

American Authority

2008-14 Challenger - Widebody Kit V1

American Authority

2008-23 Challenger - Torch Rear Window Louver

(2)

ZL1 Addons

Camaro 16-18 Diffuser

American Authority

2015-23 Challenger GT SXT TA RT Scatpack - Widebody Kit V1

American Authority

Universal Splitter Guards

American Authority

Challenger Charger - Scatpack Exterior Side Badge

American Authority

2008-23 Challenger - Hood Shock Cover

American Authority

2015-23 Charger - Rear Bumper Side Splitters V1

American Authority

Tow Hook Camera Transponder Mount

American Authority

2008-23 Challenger - Wicker Bill

ZL1 Addons

Challenger 15-23 Standard Deluxe Diffuser

Description

Made in USA! Designed with an aluminum belly pan to smooth and diffuse air coming out from under the car along with an additional wing to provide added down force and attached to HDPE material with an automotive finish. This product is functional and will diffuse the air properly from the differential to the rear of the vehicle unlike oth...

Delivery & Returns

Returns accepted within 14 days

Exclusions may apply. See full policy

American Authority

American Authority

American Authority

4.7 (53)