Nationwide product support SUMMER20Summer Sale deals live now Free U.S. shipping over $99

Fast USA delivery FREEFree shipping on qualifying orders Tracked delivery

Real specialist support FSPPerformance parts from trusted brands Genuine parts only

Summer sale live nowSALE Grab ongoing Summer Sale deals Limited time only

Delivery & returns

Free USA shipping on qualifying ordersMon–Fri, 9:00 AM–5:30 PM ET

FULL SEND PARTSPerformance without compromise

Wishlist0

American performance collection

Diffusers.

Refine your build

Fitment status

Verified vehicle fitment

Universal fit

Fitment review required

Fitment not verified

Supplier availability

In stock

Available from supplier

Department

Product attributes

Special order

Clearance

CARB status

Not CARB approved

Acknowledgement required

No CARB restriction indicated

Product type

Brand

Sort by

Clear

User 1

GReddy

GReddy Pandem 2022+ Toyota GR86 (ZN8) Rocket Bunny Rear Diffuser

$735.48 $774.19

User 1

GReddy

GReddy Pandem 85-92 Mazda RX-7 FC3S Rear Diffuser from gre17040330

$625.16 $658.06

Photo - Primary

GReddy

GReddy Mazda RX-7 Pandem Wide Body Boss Rear Diffuser

$606.77 $638.71

Photo - Primary

GReddy

GReddy Nissan GTR R35 Version 2 Pandem X Rocket Bunny Rear Under Diffuser

$1,887.74 $1,987.10

Photo - Primary

GReddy

GReddy Scion FR-S Pandem Wide Body V3 Rear Diffuser

$563.87 $593.55

Photo - Primary

GReddy

GReddy 13+ Scion FR-S Version 2 Greddy X Rocket Bunny 86 Aero Rear Under Diffuser Only

$686.45 $722.58

Photo - Primary

GReddy

GReddy Scion 2013 FR-S/Subaru BRZ ZN6(4u-GSE)/ZC6(FA20) X Rocket Bunny 86 Aero FR-S Rear Diffuser

$686.45 $722.58

Photo - Primary

Dinan

Dinan 21-27 BMW M3/M4 (G80/G82/G83) Carbon Fiber Rear Diffuser Surround

$949.95 $1,068.95

Photo - Primary

Dinan

Dinan 20-26 Toyota GR Supra (A90/A91) Carbon Fiber Rear Diffuser

$799.95 $899.95

User 1

Cusco

Cusco Diffuser Brackets 98-03 Subaru Legacy BH5 / BE5 Must use p/n 680 487 A

$95.40 $106.00

User 1

Cusco

Cusco Diffuser Brackets Subaru Forester SP5/SG5/SG9 Must use p/n 676 487 A

$52.20 $58.00

Photo - Primary

Cusco

Cusco DIFFUSER BracketS OEM 06 STi diffuser on 05 older STi Impreza ***Must use 673 487 A

$52.20 $58.00

User 1

Akrapovic

Akrapovic 2020+ BMW M8 (F91/F92) Rear Carbon Fiber Diffuser - Matte

$2,150.12

Photo - Primary

Remus

Remus 2013 Seat Leon (Excl Facelift Models) Satin Black Rear Diffusor

$329.76

Photo - Primary

Remus

Remus 2013 Seat Leon (Excl Facelift Models) Center Exit Carbon Optic Rear Diffuser (Excl ACT Models)

$330.00

Photo - Primary

Remus

Remus 2013 Seat Leon (Excl Facelift Models) Centered Exit Carbon Optic Rear Diffuser

$330.00

Photo - Primary

Remus

Remus 2010 Honda CR-Z 1.5L Hybrid Satin Black Rear Diffusor (Only Fits w/Remus Exhaust)

$368.64

GReddy Mazda Miata ND Rocket Bunny Rear Diffuser

GReddy

GReddy Mazda Miata ND Rocket Bunny Rear Diffuser

$888.71 $935.48

Image coming soon for GReddy Pandem Nissan Hakosuka V2 Stay Bar

GReddy

GReddy Pandem Nissan Hakosuka V2 Stay Bar

$134.84 $141.94

GReddy Scion FR-S Pandem Wide Body V3 Rear Diffuser

GReddy

GReddy Scion FR-S Pandem Wide Body V3 Rear Diffuser

$563.87 $593.55

GReddy Nissan S14 V2 Rocket Bunny Rear Diffuser

GReddy

GReddy Nissan S14 V2 Rocket Bunny Rear Diffuser

$600.65 $632.26

Image coming soon for GReddy 2015+ Lexus RC-F Pandem Rear Diffuser

GReddy

GReddy 2015+ Lexus RC-F Pandem Rear Diffuser

$1,415.81 $1,490.32

GReddy 03-08 Nissan 350Z (Z33) Rocket Bunny Rear Diffuser Only

GReddy

GReddy 03-08 Nissan 350Z (Z33) Rocket Bunny Rear Diffuser Only

$1,078.71 $1,135.48

Image coming soon for Akrapovic 16-19 Porsche 911 Turbo / Turbo S (991.2) Rear CA Diffuser Glossy w/o Tips

Akrapovic

Akrapovic 16-19 Porsche 911 Turbo / Turbo S (991.2) Rear CA Diffuser Glossy w/o Tips

$3,765.72