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  • QUALITY CRAFTSMANSHIP
  • 30 Day Return Policy
  • E-mail & DM Support
Excellent72 Reviews on

EMP Rear Diffusers

The Baddest Highest Quality Rear Diffusers You can Buy!

*Click to see American Muscle's Review of EMP Diffusers*

TUNERS & MODDERS
LOVE EMP

Excellent72 Reviews on

Emailed and explained what I needed and they knew right away what part I needed and sent it in.

Lorenzo Mata
Verified buyer

Aggressive look. This rear diffuser will give such an aggressive and unique look to your Mustang. I love it.

Eva U
Verified buyer

I’ve purchased 5 different rocker splitters. This is the best one, by far. Functional & made of metal. Quality product & durable.

JONATHAN K.
Verified buyer

Emailed and explained what I needed and they knew right away what part I needed and sent it in.

Lorenzo Mata
Verified buyer

TOP SELLING COLLECTIONS

Ready for next-level Muscle Car mods? Take a look at our most popular and purchased mod collections.
SAVE $50.00
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2015-23 S550 Mustang EMP Rear Seat Delete Kits

$299.95
$249.95
SAVE $60.00
SHOP NOW

2015-23 S550 Mustang EMP Rear Diffuser V1

$349.95
$289.95
SAVE $20.00
SHOP NOW

2015-23 S550 Mustang EMP Aluminum Rear Diffuser

$419.95
$399.95
SAVE $60.00
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2015-23 S550 Mustang EMP PP1 Aluminum Wicker Bill Add-On

$359.95
$299.95
SAVE $20.00
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2015-23 S550 Mustang EMP Mud Flaps

$69.95
$49.95
SAVE $60.00
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2024+ S650 Mustang EMP Rear Diffuser V3

$349.95
$289.95
SAVE $50.00
SHOP NOW

2024+ S650 Mustang EMP Rear Seat Delete Kits

$309.95
$259.95
SAVE $12.04
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2015-23 S550 Mustang EMP Headlight Reflector Covers

$29.99
$17.95
SAVE $60.04
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2010-15 Camaro 5th Gen EMP Rear Seat Delete Kit

$319.99
$259.95
SAVE $70.00
SHOP NOW

2018-23 S550 Mustang EMP Aluminum Front Air Splitter w/ or w/o Wings

$389.95
$319.95
SHOP NOW

Replacement Hardware FREE

$0.00
SAVE $60.04
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2016-24 Camaro 6th Gen EMP Rear Seat Delete Kit

$319.99
$259.95
SAVE $140.00
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2015-23 S550 Mustang Coyote EMP Rear Seat Delete Kits

$499.95
$359.95
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S550 S650 Mustang EMP Seat Delete Replacement Hardware

$15.00
SAVE $60.00
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2015-23 S550 Mustang EMP Rear Diffuser V3

$349.95
$289.95
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Replacement S550 Diffuser Parts

$20.00
SAVE $110.04
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2015-23 Challenger EMP Rear Diffuser V2

$259.99
$149.95
SAVE $70.00
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2015-23 Charger EMP Aluminum Wicker Bill Add-On

$369.95
$299.95
SHOP NOW

EMP Die Cut Sticker

$3.00
SAVE $40.00
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2015-24 S550 S650 Mustang EMP Aluminum Side Winglets

$199.95
$159.95
SAVE $106.04
SHOP NOW

2024+ S650 Mustang EMP Aluminum Rear Diffuser V3

$505.99
$399.95
SAVE $50.00
SHOP NOW

2005-14 S197 Mustang EMP Rear Seat Delete Kits

$309.95
$259.95
SAVE $180.04
SHOP NOW

2020-22 Ford Super Duty EMP Aluminum Front Bumper Valance

$429.99
$249.95
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Miscellaneous Hardware

$7.99
SAVE $60.00
SHOP NOW

2024+ S650 Mustang EMP Rear Diffuser V2

$349.95
$289.95
SAVE $60.00
SHOP NOW

2015-23 S550 Mustang EMP Rear Diffuser V2

$349.95
$289.95
SAVE $60.00
SHOP NOW

2024+ S650 Mustang EMP Rear Diffuser V1

$349.95
$289.95
SHOP NOW

EMP Customs Miscellaneous Shop Charges

$25.00
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EMP S550 PP1 Wicker Bill Replacement Hardware

$15.00
SAVE $50.00
SHOP NOW

2015-24 S550 S650 Mustang EMP Aluminum or ABS Side Skirts

$149.95
$99.95
SAVE $5.00
SHOP NOW

EMP T-Shirt - Logo Stamp

$29.99
$24.99
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S550 Mustang EMP Rear Diffuser Replacement Hardware Pack

$15.00
SAVE $126.04
SHOP NOW

2024+ S650 Mustang EMP ABS Front Air Splitter w/ or w/o Wings

$295.99
$169.95
SAVE $260.04
SHOP NOW

2015-23 Charger EMP Rear Diffuser

$499.99
$239.95
SAVE $130.00
SHOP NOW

2024+ S650 Mustang Coyote EMP Rear Seat Delete Kits

$499.95
$369.95
SAVE $100.04
SHOP NOW

2015-23 Challenger EMP Rear Diffuser V1

$399.99
$299.95
SAVE $130.00
SHOP NOW

2024+ S650 Mustang EMP Aluminum Front Air Splitter w/ or w/o Wings

$449.95
$319.95
SAVE $70.00
SHOP NOW

2015-23 S550 Mustang EMP Aluminum Rear Rocker Splitters

$149.95
$79.95
SAVE $10.00
SHOP NOW

Gurney Flap for S550 PP1 Wicker Bill

$75.00
$65.00
SAVE $70.00
SHOP NOW

2015-23 Challenger EMP Aluminum Wicker Bill Add-On

$369.95
$299.95
SAVE $50.00
SHOP NOW

EMP S550 Mustang Aluminum Coyote Skull Hood Prop

$119.95
$69.95
SAVE $126.04
SHOP NOW

2018-23 S550 Mustang EMP ABS Front Air Splitter w/ or w/o Wings

$295.99
$169.95
SAVE $-60.00
SHOP NOW

2011-14 S197 Mustang EMP Coyote Rear Seat Delete Kits

$309.95
$369.95
SAVE $70.04
SHOP NOW

2015-23 Charger EMP Aluminum Front Air Splitter w/ or w/o Wings

$419.99
$349.95
SAVE $5.00
SHOP NOW

EMP T-Shirt - Camo Logo

$29.99
$24.99
SHOP NOW

Installation Services

$25.00
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Shipping Cost

$25.00
SAVE $40.00
SHOP NOW

EMP S550 Mustang Coyote Skull Hood Plate

$99.95
$59.95
SAVE $106.04
SHOP NOW

2024+ S650 Mustang EMP Aluminum Rear Diffuser V1

$505.99
$399.95
SAVE $5.00
SHOP NOW

EMP T-Shirt - Coyote on Black

$33.99
$28.99
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free Shipping
QUALITY CRAFTSMANSHIP
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  • free Shipping
  • QUALITY CRAFTSMANSHIP
  • 30 Day Return Policy
  • E-mail & DM Support