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Excellent89 Reviews on

S550 Mustang EMP Rear Diffusers

The EMP S550 Mustang rear diffusers are crafted from robust materials and feature aggressive styling that significantly stands out from other diffusers on the market. Plus a much easier install.

TUNERS & MODDERS
LOVE EMP

Excellent89 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
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2015-23 S550 Mustang EMP Rear Diffuser V1

$349.95
$289.95
SAVE $20.00
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2015-23 S550 Mustang EMP Aluminum Rear Diffuser

$419.95
$399.95
SAVE $60.00
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2024+ S650 Mustang EMP Rear Diffuser V3

$349.95
$289.95
SAVE $50.00
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2024+ S650 Mustang EMP Rear Seat Delete Kits

$309.95
$259.95
SAVE $60.00
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2015-23 S550 Mustang EMP PP1 Aluminum Wicker Bill Add-On

$359.95
$299.95
SAVE $12.04
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2015-23 S550 Mustang EMP Headlight Reflector Covers

$29.99
$17.95
SAVE $20.00
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2015-23 S550 Mustang EMP Mud Flaps

$69.95
$49.95
SAVE $60.04
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2010-15 Camaro 5th Gen EMP Rear Seat Delete Kit

$319.99
$259.95
SAVE $70.00
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2018-23 S550 Mustang EMP Aluminum Front Air Splitter w/ or w/o Wings

$389.95
$319.95
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
SAVE $110.04
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2015-23 Challenger EMP Rear Diffuser V2

$259.99
$149.95
SAVE $60.00
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2015-23 S550 Mustang EMP Rear Diffuser V3

$349.95
$289.95
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S550 S650 Mustang EMP Seat Delete Replacement Hardware

$15.00
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Replacement S550 Diffuser Parts

$20.00
SAVE $50.00
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2005-14 S197 Mustang EMP Rear Seat Delete Kits

$309.95
$259.95
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EMP Die Cut Sticker

$3.00
SAVE $106.04
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2024+ S650 Mustang EMP Aluminum Rear Diffuser V3

$505.99
$399.95
SAVE $60.00
SHOP NOW

2015-23 S550 Mustang EMP Rear Diffuser V2

$349.95
$289.95
SAVE $70.00
SHOP NOW

2015-23 Charger EMP Aluminum Wicker Bill Add-On

$369.95
$299.95
SAVE $60.00
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2024+ S650 Mustang EMP Rear Diffuser V1

$349.95
$289.95
SAVE $40.00
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2015-24 S550 S650 Mustang EMP Aluminum Side Winglets

$199.95
$159.95
SAVE $180.04
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2020-22 Ford Super Duty EMP Aluminum Front Bumper Valance

$429.99
$249.95
SAVE $60.00
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2024+ S650 Mustang EMP Rear Diffuser V2

$349.95
$289.95
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S550 Mustang EMP Rear Diffuser Replacement Hardware Pack

$15.00
SAVE $50.00
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2015-24 S550 S650 Mustang EMP Aluminum or ABS Side Skirts

$149.95
$99.95
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EMP S550 PP1 Wicker Bill Replacement Hardware Only

$15.00
SAVE $126.04
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2024+ S650 Mustang EMP ABS Front Air Splitter w/ or w/o Wings

$295.99
$169.95
SAVE $130.00
SHOP NOW

2024+ S650 Mustang Coyote EMP Rear Seat Delete Kits

$499.95
$369.95
SAVE $130.00
SHOP NOW

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

$449.95
$319.95
SAVE $5.00
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EMP T-Shirt - Logo Stamp

$29.99
$24.99
SAVE $96.04
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2018-23 S550 Mustang EMP HDPE Front Air Splitter w/ or w/o Wings

$295.99
$199.95
SAVE $260.04
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2015-23 Charger EMP Rear Diffuser

$499.99
$239.95
SAVE $100.04
SHOP NOW

2015-23 Challenger EMP Rear Diffuser V1

$399.99
$299.95
SAVE $10.00
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Gurney Flap for S550 PP1 Wicker Bill

$75.00
$65.00
SAVE $130.00
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2024+ S650 Mustang EMP Customized Rear Seat Delete

$499.95
$369.95
SAVE $50.00
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EMP S550 Mustang Aluminum Coyote Skull Hood Prop

$119.95
$69.95
SAVE $5.00
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EMP T-Shirt - 5.0 Coyote on Black

$33.99
$28.99
SAVE $70.00
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2015-23 S550 Mustang EMP Aluminum Rear Rocker Splitters

$149.95
$79.95
SAVE $130.00
SHOP NOW

2024+ S650 Mustang Dark Coyote EMP Rear Seat Delete Kit

$499.95
$369.95
SAVE $150.00
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2015-23 S550 Mustang EMP Customized Rear Seat Delete

$499.95
$349.95
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S550 S650 Mustang EMP Rear Diffuser Screw Locks

$15.00
SAVE $80.95
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2024+ S650 Mustang EMP Rear Diffuser V2 CENTER SECTION ONLY

$279.95
$199.00
SAVE $5.00
SHOP NOW

EMP T-Shirt - Seat Delete Style 2

$33.99
$28.99
SAVE $106.04
SHOP NOW

2024+ S650 Mustang EMP Aluminum Rear Diffuser V2

$505.99
$399.95
SAVE $70.00
SHOP NOW

2015-23 Challenger EMP Aluminum Wicker Bill Add-On

$369.95
$299.95
SHOP NOW

Replacement S650 Diffuser Parts

$25.00
SAVE $110.04
SHOP NOW

2018-23 S550 Mustang Quad Exhaust EMP Tempest Rear Diffuser

$499.99
$389.95
SAVE $80.95
SHOP NOW

2024+ S650 Mustang EMP Rear Diffuser V3 CENTER SECTION ONLY

$279.95
$199.00
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free Shipping
QUALITY CRAFTSMANSHIP
30 Day Return Policy
E-mail & DM Support
  • free Shipping
  • QUALITY CRAFTSMANSHIP
  • 30 Day Return Policy
  • E-mail & DM Support