Collection: Diffusers
Diffusers are aerodynamic devices commonly found on the rear underside of high-performance & racing cars. They are designed to enhance aerodynamic efficiency by managing the airflow underneath the vehicle. Diffusers work by creating a pressure difference between the upper & lower surfaces, which helps to increase downforce & reduce drag. The diffuser's shape & design incorporate various elements such as channels, fins, & curved surfaces to accelerate the airflow & create a smooth transition from high-pressure to low-pressure regions. By effectively channeling & controlling the airflow, diffusers improve stability, traction, & handling at high speeds. Additionally, they help to extract air from the rear wheel arches, reducing turbulence & minimizing the negative effects of turbulent air on overall vehicle performance. Diffusers come in different sizes, styles, & materials, with carbon fiber being a popular choice due to its lightweight & high-strength properties. It's important to note that the effectiveness of a diffuser can depend on factors such as vehicle design, suspension setup, & driving conditions. Proper installation & alignment are essential to ensure optimal performance & integration with other aerodynamic components of the vehicle. Overall, automotive diffusers are a sought-after addition for enthusiasts & drivers seeking improved aerodynamic performance, increased stability, & a more aggressive appearance for their vehicles.
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AutoTecknic Carbon Fiber Performante Rear Diffuser - F95 X5M | F96 X6M
Part # ATK-BM-0521Vendor:AutoTecknic USARegular price $1,150.00 USDRegular price$1,280.00 USDSale price $1,150.00 USDSale -
AutoTecknic Dry Carbon Versus Rear Diffuser Set - F80 M3 | F82/ F83 M4
Part # ATK-BM-0342Vendor:AutoTecknic USARegular price $945.00 USDRegular priceSale price $945.00 USD -
AutoTecknic Dry Carbon Extended-Fin Competition Rear Diffuser - F80 M3 | F82/ F83 M4
Part # ATK-BM-0352-V2Vendor:AutoTecknic USARegular price $595.00 USDRegular price$650.00 USDSale price $595.00 USDSale -
AutoTecknic Dry Carbon Circuit Sport Rear Diffuser - G87 M2
Part # ATK-BM-0817Vendor:AutoTecknic USARegular price $795.00 USDRegular priceSale price $795.00 USD -
AutoTecknic Dry Carbon Rear Side Diffuser Set - G42 2-Series
Part # ATK-BM-0802Vendor:AutoTecknic USARegular price From $595.00 USDRegular priceSale price From $595.00 USD -
AutoTecknic Dry Carbon Performante Rear Diffuser - G20 M340I Pre-LCI
Part # ATK-BM-0345Vendor:AutoTecknic USARegular price $695.00 USDRegular priceSale price $695.00 USD -
AutoTecknic Dry Carbon Competition Sport Rear Diffuser - F90 M5
Part # ATK-BM-0340Vendor:AutoTecknic USARegular price $585.00 USDRegular price$650.00 USDSale price $585.00 USDSale -
AutoTecknic Dry Carbon Competition Rear Diffuser - F90 M5
Part # ATK-BM-0354Vendor:AutoTecknic USARegular price $585.00 USDRegular price$650.00 USDSale price $585.00 USDSale -
OLM A1 Style Paint Matched Rear Diffuser (Pure Red) - 2015-2021 Subaru WRX / STI
Part # OLMA.70189.1-M7YVendor:OLMRegular price $319.00 USDRegular priceSale price $319.00 USDSold out -
OLM A1 Style Carbon Fiber Rear Diffuser - 2015-2021 WRX / STI
Part # OLMA.70177.1Vendor:OLMRegular price $339.15 USDRegular price$399.00 USDSale price $339.15 USDSale -
OLM A1 Style Paint Matched Rear Diffuser (Crystal White Pearl) - 2015-2021 Subaru WRX / STI
Part # OLMA.70189.1-K1XVendor:OLMRegular price $271.15 USDRegular price$319.00 USDSale price $271.15 USDSale -
OLM A1 Style Paint Matched Rear Diffuser (Ice Silver Metallic) - 2015-2021 Subaru WRX / STI
Part # OLMA.70189.1-G1UVendor:OLMRegular price $271.15 USDRegular price$319.00 USDSale price $271.15 USDSale -

OLM OEM+ Style Rear Diffuser - 2013-2016 Scion FR-S / 2013-2021 Subaru BRZ / 2017-2021 Toyota 86
Part # OLMRDF-FT86-T3-CLVendor:OLMRegular price $189.00 USDRegular priceSale price $189.00 USDSold out -
OLM Half Carbon VA Style Rear Diffuser - 2015-2020 WRX / STI
Part # OLMOLM15WRXVARDCF1Vendor:OLMRegular price $832.15 USDRegular price$979.00 USDSale price $832.15 USDSale -
OLM LE Dry Carbon Fiber Rear Diffuser - 2015-2021 Subaru WRX / STI
Part # OLMA.70064.1Vendor:OLMRegular price $636.65 USDRegular price$749.00 USDSale price $636.65 USDSale -
Air Vent Car Diffuser for Model 3 Highland & Model Y Juniper | TESERY
Part # TCD001-SIVendor:Tesery Official StoreRegular price From $32.99 USDRegular price$69.99 USDSale price From $32.99 USDSale -
Universal Car Christmas Diffuser
Part # TCD004-RDVendor:Tesery Official StoreRegular price From $9.90 USDRegular priceSale price From $9.90 USD -
TESERY Car Fragrance Diffuser for Model 3/Y
Part # sku-44319319261416Vendor:Tesery Official StoreRegular price From $23.99 USDRegular price$29.99 USDSale price From $23.99 USDSale -
6.5” Round Bolt-On Horn Diffuser
Part # PRO-SDF6RVendor:DS18Regular price $54.95 USDRegular priceSale price $54.95 USD -
AutoTecknic Dry Carbon Extended-Fin Competition Rear Diffuser - G20 3-Series
Part # ATK-BM-0353Vendor:AutoTecknic USARegular price From $500.00 USDRegular priceSale price From $500.00 USD -
2015-2023 Dodge Charger Rear Diffuser
Part # BOAW-RD15DOCH-FVendor:Black Ops Auto WorksRegular price From $1,059.00 USDRegular price$700.00 USDSale price From $1,059.00 USD -
TESERY Space One Rocket Perfume Diffuser for Tesla
Part # TSL3021Vendor:Tesery Official StoreRegular price $25.99 USDRegular price$29.99 USDSale price $25.99 USDSale -
Tesla Model Y/3/S/X Cloud Mist Car Diffuser With Ambient Lighting
Part # sku-47588422746344Vendor:Tesery Official StoreRegular price $65.00 USDRegular price$79.00 USDSale price $65.00 USDSale -
TITA-Rear Air Vent Record Player Diffuser for Tesla
Part # TSL1725-AVendor:Tesery Official StoreRegular price $25.99 USDRegular price$25.99 USDSale price $25.99 USD














