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 Audi S3 8Y Sedan Rear DiffuserMaxton Design Audi S3 8Y Sedan Rear Diffuser
Maxton Design
Maxton Design Audi S3 8Y Sedan Rear Diffuser Sale price$379.00 Regular 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 Regular price$397.95
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CLA 45s C118 19+ Coupe Style Rear Diffuser (With Exhaust Tips)CLA 45s C118 19+ Coupe Style Rear Diffuser (With Exhaust Tips)
dubhaus
CLA 45s C118 19+ Coupe Style Rear Diffuser (With Exhaust Tips) Sale price$479.95 Regular price$749.99
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Maxton Design VW Golf Mk5 R32 Rear DiffuserMaxton Design VW Golf Mk5 R32 Rear Diffuser
Maxton Design
Maxton Design VW Golf Mk5 R32 Rear Diffuser Sale price$297.00 Regular price$311.85
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Maxton Design VW Golf Mk7.5 GTI Rear Diffuser (Facelift)Maxton Design VW Golf Mk7.5 GTI Rear Diffuser (Facelift)
Maxton Design
Maxton Design VW Golf Mk7.5 GTI Rear Diffuser (Facelift) Sale price$379.00 Regular price$397.95
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Maxton Design Racing Durability VW Golf Mk7 GTI Rear Diffuser V2Maxton Design Racing Durability VW Golf Mk7 GTI Rear Diffuser V2
Maxton Design
Maxton Design Racing Durability VW Golf Mk7 GTI Rear Diffuser V2 Sale price$379.00 Regular price$397.95
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Maxton Design Racing Durability VW Golf Mk8 R Rear DiffuserMaxton Design Racing Durability VW Golf Mk8 R Rear Diffuser
Maxton Design
Maxton Design Racing Durability VW Golf Mk8 R Rear Diffuser Sale price$397.95 Regular price$417.85
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Maxton Design VW Golf Mk8 R Rear Diffuser V2Maxton Design VW Golf Mk8 R Rear Diffuser V2
Maxton Design
Maxton Design VW Golf Mk8 R Rear Diffuser V2 Sale price$379.00 Regular price$397.95
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Maxton Design Audi S3 Sportback 8V Rear DiffuserMaxton Design Audi S3 Sportback 8V Rear Diffuser
Maxton Design
Maxton Design Audi S3 Sportback 8V Rear Diffuser Sale price$379.00 Regular price$397.95
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C63 Style Rear Diffuser to suit Mercedes Benz C Class W206 and C43 (With Exhaust Tips)
dubhaus
C63 Style Rear Diffuser to suit Mercedes Benz C Class W206 and C43 (With Exhaust Tips) Sale price$479.95 Regular price$799.99
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Rear Diffuser AUDI S3 Sportback 8V Facelift 2016-2020Rear Diffuser AUDI S3 Sportback 8V Facelift 2016-2020
VK AEROS
Rear Diffuser AUDI S3 Sportback 8V Facelift 2016-2020 Sale price$338.13 Regular price$375.70
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Maxton Design VW Tiguan Mk2 R Rear Diffuser (Facelift)Maxton Design VW Tiguan Mk2 R Rear Diffuser (Facelift)
Maxton Design
Maxton Design VW Tiguan Mk2 R Rear Diffuser (Facelift) Sale price$379.00 Regular price$397.95
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Maxton Design VW T-Roc R Mk1 Rear Diffuser Street Pro (Facelift)Maxton Design VW T-Roc R Mk1 Rear Diffuser Street Pro (Facelift)
Maxton Design
Maxton Design VW T-Roc R Mk1 Rear Diffuser Street Pro (Facelift) Sale price$379.00 Regular price$397.95
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Maxton Design VW Golf Mk7.5 GTI Rear Diffuser V2 (Facelift)Maxton Design VW Golf Mk7.5 GTI Rear Diffuser V2 (Facelift)
Maxton Design
Maxton Design VW Golf Mk7.5 GTI Rear Diffuser V2 (Facelift) Sale price$379.00 Regular price$397.95
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Maxton Design Racing Durability VW Golf Mk7 GTI Rear Diffuser V1 (Pre-Facelift)Maxton Design Racing Durability VW Golf Mk7 GTI Rear Diffuser V1 (Pre-Facelift)
Maxton Design
Maxton Design Racing Durability VW Golf Mk7 GTI Rear Diffuser V1 (Pre-Facelift) Sale price$397.95 Regular price$417.85
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Maxton Design VW Golf Mk6 R Rear DiffuserMaxton Design VW Golf Mk6 R Rear Diffuser
Maxton Design
Maxton Design VW Golf Mk6 R Rear Diffuser Sale price$349.99 Regular price$367.49
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Maxton Design Audi RS3 8V Sedan Rear Diffuser (Facelift)Maxton Design Audi RS3 8V Sedan Rear Diffuser (Facelift)
Maxton Design
Maxton Design Audi RS3 8V Sedan Rear Diffuser (Facelift) Sale price$355.00 Regular price$372.75
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Maxton Design Audi RS3 8VA Sportback Rear Diffuser V2Maxton Design Audi RS3 8VA Sportback Rear Diffuser V2
Maxton Design
Maxton Design Audi RS3 8VA Sportback Rear Diffuser V2 Sale price$379.00 Regular price$397.95
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Maxton Design Racing Durability VW Golf Mk8 GTI Rear Diffuser V2Maxton Design Racing Durability VW Golf Mk8 GTI Rear Diffuser V2
Maxton Design
Maxton Design Racing Durability VW Golf Mk8 GTI Rear Diffuser V2 Sale price$379.00 Regular price$397.95
Save 5%
Maxton Design Racing Durability VW Golf Mk6 GTI Rear Diffuser V2Maxton Design Racing Durability VW Golf Mk6 GTI Rear Diffuser V2
Maxton Design
Maxton Design Racing Durability VW Golf Mk6 GTI Rear Diffuser V2 Sale price$379.00 Regular price$397.95
Save 5%
Maxton Design Audi S3 8V Hatchback Rear Diffuser (Facelift)Maxton Design Audi S3 8V Hatchback Rear Diffuser (Facelift)
Maxton Design
Maxton Design Audi S3 8V Hatchback Rear Diffuser (Facelift) Sale price$397.95 Regular price$417.85
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Maxton Design Audi RS3 8VA Sportback Side Skirts + Front Splitter + Rear DiffuserMaxton Design Audi RS3 8VA Sportback Side Skirts + Front Splitter + Rear Diffuser
Maxton Design
Maxton Design Audi RS3 8VA Sportback Side Skirts + Front Splitter + Rear Diffuser Sale price$1,100.00 Regular price$1,155.00
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Maxton Design Ford Focus XR5 Turbo Rear Diffuser (Facelift)Maxton Design Ford Focus XR5 Turbo Rear Diffuser (Facelift)
Maxton Design
Maxton Design Ford Focus XR5 Turbo Rear Diffuser (Facelift) Sale price$413.70 Regular price$434.39
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Maxton Design Hyundai i30 N Mk3.5 Hatchback Rear Diffuser (Facelift)Maxton Design Hyundai i30 N Mk3.5 Hatchback Rear Diffuser (Facelift)
Maxton Design
Maxton Design Hyundai i30 N Mk3.5 Hatchback Rear Diffuser (Facelift) Sale price$429.00 Regular price$450.45

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