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Rear Diffuser

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-10%

OE Style Rear Diffuser For 2012-2021 Subaru BRZ

In stock

Regular price $90.00

Regular price ~~$100.00~~ Sale price $90.00

No reviews
-10%

Add-On Rear Diffuser (Carbon Fiber) For 2015-2020 BMW M3 (F80) and M4 (F82/F83)

Out of stock

Regular price $255.00

Regular price ~~$283.00~~ Sale price $255.00

No reviews
-10%

A Style Rear Diffuser For 2022-2026 Subaru BRZ

In stock

Regular price $106.00

Regular price ~~$118.00~~ Sale price $106.00

No reviews
-10%

F Style Rear Diffuser For 2020-2024 Tesla Model-Y

Out of stock

Regular price $190.00

Regular price ~~$210.90~~ Sale price $190.00

No reviews
-10%

M3 Style Rear Lip Diffuser For 1991-1999 BMW 3-Series (E36)

In stock

Regular price $80.00

Regular price ~~$89.00~~ Sale price $80.00

No reviews
-10%

MP Style Rear Diffuser For 2012-2018 BMW 3-Series (F30/F31, Dual Outlets Single Tip)

In stock

Regular price $120.00

Regular price ~~$133.00~~ Sale price $120.00

No reviews
-10%

ST Style Rear Diffuser (Gloss Silver) For 2015-2021 Subaru WRX/WRX Sti

Out of stock

Regular price $145.00

Regular price ~~$161.00~~ Sale price $145.00

No reviews
-10%

T Style Rear Diffuser (ABS Plastic) For 2022-2026 Toyota GR86

In stock

Regular price $190.00

Regular price ~~$211.00~~ Sale price $190.00

No reviews
-10%

OE Style Rear Diffuser For 2012-2016 Scion FR-S

In stock

Regular price $90.00

Regular price ~~$100.00~~ Sale price $90.00

No reviews
-10%

CityKruiser Rear Aprons with Rear Diffuser Bundle for 2011-2020 Toyota Sienna (SE Model)

In stock

Regular price $180.00

Regular price ~~$200.00~~ Sale price $180.00

No reviews
-10%

MP Style Rear Aprons with CK Style Rear Diffuser Bundle For 2011-2020 Toyota Sienna (SE Model)

In stock

Regular price $180.00

Regular price ~~$200.00~~ Sale price $180.00

No reviews
-10%

ST Style Rear Diffuser For 2014-2018 Subaru Forester

In stock

Regular price $145.00

Regular price ~~$161.00~~ Sale price $145.00

No reviews
-10%

MP-Style Rear Diffuser For 2011-2016 BMW 5-Series (F10/F11, Dual Outlets Single Tip)

In stock

Regular price $120.00

Regular price ~~$133.20~~ Sale price $120.00

No reviews
-10%

MP Style Rear Diffuser For 2012-2018 BMW 3-Series (F30/F31, Single Outlet Dual Tips)

In stock

Regular price $120.00

Regular price ~~$133.00~~ Sale price $120.00

No reviews
-10%

T Style Rear Diffuser (ABS Plastic) For 2022-2026 Subaru BRZ

In stock

Regular price $190.00

Regular price ~~$211.00~~ Sale price $190.00

No reviews
-10%

OE Style Rear Diffuser (Textured) For 2012-2016 Scion FR-S

Out of stock

Regular price $100.00

Regular price ~~$111.00~~ Sale price $100.00

No reviews
-10%

OE Style Rear Diffuser (Textured) For 2012-2021 Subaru BRZ

Out of stock

Regular price $100.00

Regular price ~~$111.00~~ Sale price $100.00

No reviews
-10%

F Style Rear Diffuser For 2024-2025 Tesla Model-3

In stock

Regular price $210.00

Regular price ~~$233.00~~ Sale price $210.00

No reviews
-10%

MT Style Rear Diffuser For 2012-2018 BMW 3-Series (F30/F31, Single Exhaust, Dual Tips)

Out of stock

Regular price $75.00

Regular price ~~$83.00~~ Sale price $75.00

No reviews
-10%

MP-Style Rear Diffuser For 2011-2016 BMW 5-Series (F10/F11, Quad Exhausts)

In stock

Regular price $140.00

Regular price ~~$155.00~~ Sale price $140.00

No reviews

Let customers speak for us

from 414 reviews

Mod Style Front Lip For 2013-2015 Honda Civic (4Dr Sedan)

Fit to order, great product.

Eduardo

Mod Style Front Lip For 2013-2015 Honda Civic (4Dr Sedan)

09/08/2026

JDM Style Window Visors For 2015-2021 Subaru WRX Sti/2012-2016 Subaru Impreza (4Dr Sedan)

must have for all vehicles! super easy to install!

Semion

JDM Style Window Visors For 2015-2021 Subaru WRX Sti/2012-2016 Subaru Impreza (4Dr Sedan)

09/07/2026

Perfect, easy installation

CS Style Rear Aprons For 2015-2021 Subaru WRX/WRX Sti

You guys never fail to meet the standard. 5 stars would recommend to anyone! cant wait to throw on my STI.

CS Style Front Lip For 2015-2017 Subaru WRX/WRX Sti

Perfect fitment

Jamie

09/04/2026

TH Style Rear Lip For 2019-2026 Mazda-3 (5Dr Hatchback)

Big fan.

The diffuser fit well, wasnt very difficult to install, the tape it came with started to loosen up after a day, I do live in Texas where its very hot in the summer. I was able to tuck some more into the space without removal, and so far its holding well. I got it paint matched and im very happy with it. Stoked on this purchase.

Ryan Purcell

TH Style Rear Lip For 2019-2026 Mazda-3 (5Dr Hatchback)

09/02/2026

TR Style Front Lip For 1998-2001 Acura Integra

Great fitment

Fitment was perfect on my car

David Ortiz

TR Style Front Lip For 1998-2001 Acura Integra

08/29/2026

OE Style Rear Aprons For 1995-1998 Nissan GTR (R33)

Fit great would

Fit great would recommend

Karth Dasari

OE Style Rear Aprons For 1995-1998 Nissan GTR (R33)

08/28/2026

DT Style (Carbon Fiber) Trunk For 2000-2009 Honda S2000 (AP1/AP2)

Bayson R products are the best! Super clean and lightweight. No more 3rd brake light, no more emblem holes, no more key hole. Im so in love with this trunk!

Shane

DT Style (Carbon Fiber) Trunk For 2000-2009 Honda S2000 (AP1/AP2)

08/18/2026

OE Style Window Visors For 2019-2025 Mazda-3 (5Dr Hatchback)

just what I wanted

look good, easy install! DO MAKE SURE TO LINE EVERYTHING UP PROPERLY!!

Josh Able

OE Style Window Visors For 2019-2025 Mazda-3 (5Dr Hatchback)

08/17/2026

MS Style Front Lip For 2010-2013 MazdaSpeed3

Mazdaspeed3 front lip

This looks great and is good quality also!! Love it!!!

Stacy Parris

MS Style Front Lip For 2010-2013 MazdaSpeed3

08/12/2026

Aero Style Front Lip For 2001-2005 Porsche 911 Turbo/Carrera (996)

Great fit and finish

Great fit and finish, I had the lip paint matched as well for anyone considering this as an option.

Jason Buck

Aero Style Front Lip For 2001-2005 Porsche 911 Turbo/Carrera (996)

08/11/2026

TTE Style Front Lip For 1998-2005 Lexus GS300/GS400/GS430

Pretty Good Quality

Lip came pretty quick and was shipped well. Unfortunately, there were 2 spots with some fairly heavy scratches. The scratches don't really both me as I am wrapping the lip, however, if you paint it plan on doing some body work. Fitment is good.

Jacob Farney

TTE Style Front Lip For 1998-2005 Lexus GS300/GS400/GS430

MP Style Side Skirts w/ Extension For 2015-2020 BMW 4-Series (F36)

F36 Side Skirt

Fitment was great, super great price, shipping was fast. I bought this for a f36 sport conversion, and it came out great!

Devon

MP Style Side Skirts w/ Extension For 2015-2020 BMW 4-Series (F36)

08/08/2026

ST Style Front Lip For 2014-2016 Scion tC

Excellent, exactly as described. Highly recommended!

Francisco

ST Style Front Lip For 2014-2016 Scion tC

08/06/2026