Rear Diffusers

The rear diffuser is one of those parts that does more than just look good — it's designed to manage airflow underneath the car and reduce drag at the rear, which on higher-performance builds can genuinely improve handling and stability. Our rear diffusers are designed for specific makes and models including the Audi A3/S3/RS3, VW Golf GTI/R, BMW M3 and M4, Toyota GR86, and Subaru WRX, ensuring clean fitment that works with your car's existing geometry. We stock everything from OEM-style upgrades to aggressive competition-inspired designs, so there's something whether you're building a weekend track car or just want the rear end to look properly sorted. Fast Australia-wide shipping included, with professional installation available in Sydney. Browse the full range below.

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162 products

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Maxton Design Rear Diffuser for Audi S3 Sedan 8V Facelift 2016-2020 - Dubhaus AustraliaMaxton Design Rear Diffuser for Audi S3 Sedan 8V Facelift 2016-2020 - Dubhaus Australia
Maxton Design
Maxton Design Audi S3 Sedan 8V – Rear Diffuser (Facelift) Sale price$379.00
Sold outSave 40%
A45 AMG Style Rear Diffuser for Mercedes Benz A Class W177 2018+ - Dubhaus Australia
dubhaus
A45 AMG Style Rear Diffuser for Mercedes Benz A Class W177 2018+ (With Exhaust Tips) Sale price$479.97 Regular price$799.95
Save 42%
AMG Style Rear Diffuser for Mercedes Benz A Class W176 2012-2018 - Dubhaus AustraliaAMG Style Rear Diffuser for Mercedes Benz A Class W176 2012-2018 - Dubhaus Australia
dubhaus
AMG Style Rear Diffuser for Mercedes Benz A Class W176 2012–2018 (With Exhaust Tips) Sale price$431.96 Regular price$749.95
Maxton Design Racing Durability Rear Diffuser for Hyundai i30 N MK3.5 Facelift Hatchback 2020+ - Dubhaus AustraliaMaxton Design Racing Durability Rear Diffuser for Hyundai i30 N MK3.5 Facelift Hatchback 2020+ - Dubhaus Australia
Maxton Design
Maxton Design Racing Durability Hyundai i30 N Mk3.5 Hatchback Rear Diffuser (Facelift) Sale price$379.00
Maxton Design Racing Durability Rear Diffuser for VW Golf MK7.5 R Facelift 2017-2019 - Dubhaus AustraliaMaxton Design Racing Durability Rear Diffuser for VW Golf MK7.5 R Facelift 2017-2019 - Dubhaus Australia
Maxton Design
Maxton Design Racing Durability VW Golf Mk7.5 R – Rear Diffuser (Facelift) Sale price$379.00
Maxton Design VW Golf Mk8 GTI Rear Diffuser V2Maxton Design VW Golf Mk8 GTI Rear Diffuser V2
Maxton Design
Maxton Design VW Golf Mk8 GTI Rear Diffuser V2 Sale price$379.00
Maxton Design Audi S3 Sedan Rear Diffuser (Pre-Facelift)Maxton Design Audi S3 Sedan Rear Diffuser (Pre-Facelift)
Maxton Design
Maxton Design Audi S3 Sedan Rear Diffuser (Pre-Facelift) Sale price$397.95
Maxton Design VW Golf Mk7.5 R Rear Diffuser V3 (Facelift)Maxton Design VW Golf Mk7.5 R Rear Diffuser V3 (Facelift)
Maxton Design
Maxton Design VW Golf Mk7.5 R Rear Diffuser V3 (Facelift) Sale price$397.95
Save 38%
Brabus Style Rear Diffuser to suit Mercedes Benz C Class W205 / C43 / C63S (With Exhaust Tips)
dubhaus
Brabus Style Rear Diffuser to suit Mercedes Benz C Class W205 / C43 / C63S (With Exhaust Tips) Sale price$494.99 Regular price$799.95
Save 46%
A35 AMG Style Rear Diffuser for Mercedes Benz A Class W177 2018+ - Dubhaus AustraliaA35 AMG Style Rear Diffuser for Mercedes Benz A Class W177 2018+ - Dubhaus Australia
dubhaus
A35 AMG Style Rear Diffuser for Mercedes Benz A Class W177 2018+ (With Exhaust Tips) Sale price$431.97 Regular price$799.95
Sold outSave 31%
C63 Style Rear Diffuser to suit Mercedes Benz C Class W205 and C43 (With Exhaust Tips)C63 Style Rear Diffuser to suit Mercedes Benz C Class W205 and C43 (With Exhaust Tips)
dubhaus
C63 Style Rear Diffuser to suit Mercedes Benz C Class W205 and C43 (With Exhaust Tips) Sale price$549.99 Regular price$799.95
Maxton Design BMW 1M F20 Rear Diffuser (Facelift)Maxton Design BMW 1M F20 Rear Diffuser (Facelift)
Maxton Design
Maxton Design BMW 1M F20 Rear Diffuser (Facelift) Sale price$394.00
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Rear Diffuser AUDI S3 Sportback 8V 2013-2016Rear Diffuser AUDI S3 Sportback 8V 2013-2016
VK AEROS
Rear Diffuser AUDI S3 Sportback 8V 2013-2016 Sale price$375.70
Maxton Design Audi RS3 8Y Rear DiffuserMaxton Design Audi RS3 8Y Rear Diffuser
Maxton Design
Maxton Design Audi RS3 8Y Rear Diffuser Sale price$379.00
Maxton Design VW Golf Mk7 R Rear Diffuser (Pre-Facelift)Maxton Design VW Golf Mk7 R Rear Diffuser (Pre-Facelift)
Maxton Design
Maxton Design VW Golf Mk7 R Rear Diffuser (Pre-Facelift) Sale price$379.00
Maxton Design BMW 1 F40 M-Pack/ M135I Rear Diffuser V1Maxton Design BMW 1 F40 M-Pack/ M135I Rear Diffuser V1
Maxton Design
Maxton Design BMW 1 F40 M-Pack/ M135I Rear Diffuser V1 Sale price$394.00
Sold outSave 31%
C63s Style Rear Diffuser to suit Mercedes Benz C Class COUPE W205 and C43 (With Exhaust Tips)
dubhaus
C63s Style Rear Diffuser to suit Mercedes Benz C Class COUPE W205 and C43 (With Exhaust Tips) Sale price$549.99 Regular price$799.95
Maxton Design Audi S3 Hatch Rear Diffuser (Facelift)Maxton Design Audi S3 Hatch Rear Diffuser (Facelift)
Maxton Design
Maxton Design Audi S3 Hatch Rear Diffuser (Facelift) Sale price$379.00
Maxton Design Audi S3 Sedan Rear DiffuserMaxton Design Audi S3 Sedan Rear Diffuser
Maxton Design
Maxton Design Audi S3 Sedan Rear Diffuser Sale price$379.00
Maxton Design Racing Durability VW Golf Mk8 GTI Rear Diffuser V1Maxton Design Racing Durability VW Golf Mk8 GTI Rear Diffuser V1
Maxton Design
Maxton Design Racing Durability VW Golf Mk8 GTI Rear Diffuser V1 Sale price$379.00
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Rear Diffuser CUPRA Formentor 2020 - 2024 v2Rear Diffuser CUPRA Formentor 2020 - 2024 v2
VK AEROS
Rear Diffuser CUPRA Formentor 2020 - 2024 v2 Sale price$375.70
Maxton Design Audi RS3 8V Hatchback Rear Diffuser V2 (Facelift)Maxton Design Audi RS3 8V Hatchback Rear Diffuser V2 (Facelift)
Maxton Design
Maxton Design Audi RS3 8V Hatchback Rear Diffuser V2 (Facelift) Sale price$379.00
Maxton Design Racing Durability VW Golf Mk7 GTI Rear Diffuser V2 (Pre-Facelift)Maxton Design Racing Durability VW Golf Mk7 GTI Rear Diffuser V2 (Pre-Facelift)
Maxton Design
Maxton Design Racing Durability VW Golf Mk7 GTI Rear Diffuser V2 (Pre-Facelift) Sale price$397.95
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Maxton Design Cupra Formentor VZ Mk1 / Mk1 Rear Diffuser V3 (Facelift)Maxton Design Cupra Formentor VZ Mk1 / Mk1 Rear Diffuser V3 (Facelift)
Maxton Design
Maxton Design Cupra Formentor VZ Mk1 / Mk1 Rear Diffuser V3 (Facelift) Sale price$379.00

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