Diffusers
Performance Car Diffusers
AME Motorsport's Diffusers collection features advanced aerodynamic components engineered to maximize rear downforce and optimize underbody airflow for high-performance vehicles. Designed for enthusiasts and competitors who demand superior grip and stability at speed, our comprehensive car diffusers combine lightweight carbon fiber construction, precision aerodynamic profiling, and application-specific engineering to enhance rear-end traction and vehicle balance. The collection showcases solutions including rear bumper diffusers, multi-element racing diffusers, custom diffuser configurations, and aggressive motorsport-grade designs, all engineered for seamless integration with factory and modified rear fascias. Whether you're upgrading a track-focused sports car or building a competition platform, our auto diffuser systems deliver proven aerodynamic performance and race-inspired styling.
Key Performance Benefits:
Premium carbon fiber and lightweight composite construction with precision-engineered diffuser channels, optimized fin spacing, and aggressive exit angles delivers 15-30% increased rear downforce compared to factory configurations while maintaining optimal airflow management and reducing aerodynamic lift at high speeds.
FAQ
Q: How much downforce do car diffusers add?
A: Performance diffusers typically generate 15-30kg of additional rear downforce at highway speeds, with racing diffusers producing 40-70kg+ at track speeds depending on design complexity and vehicle velocity.
Q: Are diffusers for cars easy to install?
A: Most bolt-on diffusers require basic hand tools and factory mounting points; professional installation recommended for custom diffusers requiring rear bumper modification or precise ground clearance adjustment.
Q: Can aftermarket diffusers work with factory exhaust systems?
A: Premium car diffusers are engineered for factory exhaust compatibility; verify tip placement, exit positioning, and diffuser channel clearance before purchase for optimal fitment.
Q: Will diffusers scrape on driveways and speed bumps?
A: Quality diffusers maintain reasonable ground clearance for street use; lowered vehicles may require approach angle awareness; racing diffusers designed for track use may have aggressive geometry.
Q: Do auto diffusers improve fuel efficiency?
A: Performance diffusers primarily enhance stability and downforce; minor efficiency gains possible through reduced rear-end lift and improved underbody airflow management at highway speeds.
Q: What's the difference between street and racing diffusers?
A: Street diffusers balance aerodynamic performance with ground clearance and durability; racing diffusers feature aggressive multi-element designs optimized for maximum downforce on smooth track surfaces.
Q: Are car diffusers for sale with warranty coverage?
A: AME Motorsport diffusers include manufacturer warranty against defects; coverage varies by product line—contact sales for specific warranty terms, bulk pricing options, and international shipping including car diffusers Australia delivery.
- 10
- 15
- 20
- 25
- 30
- 50
- 추천
- 베스트셀러
- 알파벳순, A-Z
- 알파벳순, Z-A
- 가격(낮은 가격부터)
- 가격(높은 가격부터)
- 날짜(오래된 날짜부터)
- 날짜(최신 날짜부터)
정렬 기준:
- 추천
- 베스트셀러
- 알파벳순, A-Z
- 알파벳순, Z-A
- 가격(낮은 가격부터)
- 가격(높은 가격부터)
- 날짜(오래된 날짜부터)
- 날짜(최신 날짜부터)
-
CMST Carbon Fiber Rear Diffuser for Honda Honda 10th Gen Civic FC2 Dual Exit공급업체:CMSTCMST Carbon Fiber Rear Diffuser for Honda Honda 10th Gen Civic FC2 Dual Exit Material & Finish Real Carbon Fiber with UV Protection Clearcoat *Default prices for Carbon Fiber Parts Are for 3k (2x2) Woven Pattern Carbon Fiber with Gloss Clear Coat Finish.Forged pattern +20%, Matte...
- $2,174.70
- $2,174.70
- 단가
- / 당
-
CMST Carbon Fiber Rear Diffuser for Honda 10th Gen Civic Sedan Dual Exit공급업체:CMSTCMST Carbon Fiber Rear Diffuser for Honda 10th Gen Civic Sedan Dual Exit Material & Finish Real Carbon Fiber with UV Protection Clearcoat *Default prices for Carbon Fiber Parts Are for 3k (2x2) Woven Pattern Carbon Fiber with Gloss Clear Coat Finish.Forged pattern +20%,...
- $2,174.70
- $2,174.70
- 단가
- / 당
-
CMST Carbon Fiber Rear Diffuser for Honda FK8 Civic Type-R공급업체:CMSTCMST Carbon Fiber Rear Diffuser for Honda FK8 Civic Type-R Material & Finish: Real Carbon Fiber with UV Protection Clearcoat Suitable for: Honda Civic Type-R FK8 2017-2021 Content: Front Lip* 1 Installation: Replacement *Default prices for Carbon Fiber Parts Are for 3k (2x2) Woven...
- $2,460.70
- $2,460.70
- 단가
- / 당
-
CMST Carbon Fiber Rear Diffuser for Honda Civic 11th Gen Sedan공급업체:CMSTMaterial & Finish Real Carbon Fiber with UV Protection Clearcoat Installation Replacement *Default prices for Carbon Fiber Parts Are for 3k (2x2) Woven Pattern Carbon Fiber with Gloss Clear Coat Finish.Forged / Honey comb pattern +30%, Matte Finish +20% Available for made to order, Additional...
- $2,343.00
- $2,343.00
- 단가
- / 당
-
CMST Carbon Fiber Rear Diffuser Style B for Ford Mustang 2015-2017공급업체:CMSTMaterial & Finish Real Carbon Fiber with UV Protection Clearcoat *Default prices for Carbon Fiber Parts Are for 3k (2x2) Woven Pattern Carbon Fiber with Gloss Clear Coat Finish.Forged pattern +20%, Matte Finish +10% Additional fees will be billed separately.
- $2,444.20
- $2,444.20
- 단가
- / 당
-
CMST Carbon Fiber Rear Diffuser Style A for Ford Mustang 2015-2017공급업체:CMSTMaterial & Finish Real Carbon Fiber with UV Protection Clearcoat *Default prices for Carbon Fiber Parts Are for 3k (2x2) Woven Pattern Carbon Fiber with Gloss Clear Coat Finish.Forged pattern +20%, Matte Finish +10% Additional fees will be billed separately.
- $2,444.20
- $2,444.20
- 단가
- / 당
-
CMST Carbon Fiber Rear Diffuser for BMW 5 Series G30 / G31 2017-ON공급업체:CMSTCMST Carbon Fiber Rear Diffuser for BMW 5 Series G30 / G31 2017-ON Suitable for BMW 5 series G30 2017-ON with sport package ( Does not fit base version ) Material & Finish Real Carbon Fiber with UV Protection Clearcoat *Default prices for Carbon Fiber Parts...
- $2,393.60
- $2,393.60
- 단가
- / 당
-
CMST Carbon Fiber Rear Diffuser for BMW 3 Series G20 G21 M340i 330i 2019-2022공급업체:CMSTCarbon fiber diffuser for all BMW 3 Series G20 models with Sport Package (aka M-Package). Made from real carbon fiber. Material & Finish Real Carbon Fiber with UV Protection Clearcoat Including LED brake light. Contents include: 1x Rear Diffuser 1x LED Brake Light Fits: BMW 3 Series...
- $2,797.30
- $2,797.30
- 단가
- / 당
-
CMST Carbon Fiber Rear Diffuser for BMW M2 / M2C 2016-2020공급업체:CMSTCMST Carbon Fiber Rear Diffuser for BMW M2 / M2C 2016-2020 Material & Finish Real Carbon Fiber with UV Protection Clearcoat *Default prices for Carbon Fiber Parts Are for 3k (2x2) Woven Pattern Carbon Fiber with Gloss Clear Coat Finish.Forged pattern +20%, Matte Finish...
- $2,444.20
- $2,444.20
- 단가
- / 당
-
CMST Carbon Fiber Rear Diffuser for BMW 3 Series G20 G21 M340i 330i 2019-2022공급업체:CMSTCarbon fiber diffuser for all BMW 3 Series G20 models with Sport Package (aka M-Package). Made from real carbon fiber. Material & Finish Real Carbon Fiber with UV Protection Clearcoat Including LED brake light. Contents include: 1x Rear Diffuser 1x LED Brake Light Fits: BMW 3 Series...
- $2,797.30
- $2,797.30
- 단가
- / 당
-
CMST Carbon Fiber Rear Diffuser for Audi A3 S3 2017-2020공급업체:CMSTCMST Carbon Fiber Rear Diffuser for Audi A3 S3 2017-2020 Material & Finish Real Carbon Fiber with UV Protection Clearcoat Suitable for: AUDI A3 S Line & S3 2017-2020 Sedan Does not fit base model *Default prices for Carbon Fiber Parts Are for 3k...
- $2,821.50
- $2,821.50
- 단가
- / 당
-
CMST Carbon Fiber Rear Diffuser for Audi R8 2016-2019공급업체:CMSTCMST Carbon Fiber Rear Diffuser for Audi R8 2016-2019 Product video: https://youtu.be/m2JjAg3WLDE?si=MTs6yMeRVLjEhzkR Material & Finish Real Carbon Fiber with UV Protection Clearcoat *Default prices for Carbon Fiber Parts Are for 3k (2x2) Woven Pattern Carbon Fiber with Gloss Clear Coat Finish.Forged pattern +20%, Matte...
- $3,790.60
- $3,790.60
- 단가
- / 당
-
CMST Carbon Fiber Rear Diffuser for Audi A3 S3 2014 - 2016공급업체:CMSTCMST Carbon Fiber Rear Diffuser for Audi A3 S3 2014 - 2016 Material & Finish Real Carbon Fiber with UV Protection Clearcoat Suitable for AUDI A3 S-Line & S3 2014-2016 Does not fit Base Model *Default prices for Carbon Fiber Parts Are for 3k...
- $2,174.70
- $2,174.70
- 단가
- / 당
-
CMST Carbon Fiber Rear Diffuser for Audi A5 / S5 B9 2017-2019공급업체:CMSTCMST Carbon Fiber Rear Diffuser for Audi A5 / S5 B9 2017-2019 Material & Finish Real Carbon Fiber with UV Protection Clearcoat *Default prices for Carbon Fiber Parts Are for 3k (2x2) Woven Pattern Carbon Fiber with Gloss Clear Coat Finish.Forged pattern +20%, Matte...
- $2,612.50
- $2,612.50
- 단가
- / 당
-
CMST Carbon Fiber Rear Diffuser for Audi A4 S-Line / S4 B9 2017-2019공급업체:CMSTCMST Audi A4 S-Line / S4 B9 2017-2019 Carbon Fiber Rear Diffuser Material & Finish Real Carbon Fiber with UV Protection Clearcoat *Default prices for Carbon Fiber Parts Are for 3k (2x2) Woven Pattern Carbon Fiber with Gloss Clear Coat Finish.Forged pattern +20%, Matte Finish...
- $2,612.50
- $2,612.50
- 단가
- / 당
-
CMST Carbon Fiber Rear Diffuser for Audi RS3 2018-2020공급업체:CMSTCMST Carbon Fiber Rear Diffuser for Audi RS3 2018-2020 Material & Finish Real Carbon Fiber with UV Protection Clearcoat Suitable for: AUDI RS3 2018-2020 *Default prices for Carbon Fiber Parts Are for 3k (2x2) Woven Pattern Carbon Fiber with Gloss Clear Coat Finish.Forged...
- $2,612.50
- $2,612.50
- 단가
- / 당
-
CMST Carbon Fiber Rear Diffuser for Audi R8 (2008-2015)공급업체:CMSTMaterial & Finish Real Carbon Fiber with UV Protection Clearcoat *Default prices for Carbon Fiber Parts Are for 3k (2x2) Woven Pattern Carbon Fiber with Gloss Clear Coat Finish.Forged pattern +20%, Matte Finish +10% Additional fees will be billed separately.
- $3,130.60
- $3,130.60
- 단가
- / 당
-
CMST Carbon Fiber Rear Diffuser For Audi TT TTS MK2 8J 2011-2015공급업체:CMSTCMST Carbon Fiber Rear Diffuser For Audi TT TTS MK2 8J 2011-2015 Material & Finish Carbon Fiber with UV Protection Clearcoat FRP with Primed Black Finish *FRP is a composite material comprised of carbon fiber reinforced polymers. FRP option comes with primed finish ready...
- $2,699.40
- $2,699.40
- 단가
- / 당
-
CMST Carbon Fiber Rear Diffuser for Audi S3 A3 8Y 2021-ON공급업체:CMSTMaterial & Finish Real Carbon Fiber with UV Protection Clearcoat Suitable for: AUDI A3 & A3 S Line & S3 2021-ON
- $2,942.50
- $2,942.50
- 단가
- / 당
-
AME MOTORSPORT Carbon Fiber G20 Rear Diffuser Lip for BMW G20 330i M340i Sedan 2019-2020공급업체:AME MotorsportUnleash Your BMW's Authenticity with Our Carbon Fiber G20 Rear Diffuser Lip Does your BMW G20 330i M340i Sedan 2019-2020 blend into the crowd? Craving for an upgrade that screams your unique style while maintaining your vehicle's stability? Our Carbon Fiber G20 Rear Diffuser...
- $979.00
- $979.00
- 단가
- / 당




















