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.
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Sort by:
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Robot "Hyperion" Narrow Body Rear Bumper & Diffuser For Toyota GR Supra MK5 A90 A91Vendor:RobotRobot ""Hyperion" Narrow Body Rear Bumper & Diffuser For Toyota GR Supra MK5 A90 A91 *Pricing reflects pre-order pricing The Alerion and Hyperion kit for the A90 & A91 Supra is the most sophisticated in terms for aero dynamic on the market today by...
- $4,297.70
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Robot "SHINNING" Narrow Body Rear Bumper & Diffuser For Toyota GR86 Subaru BRZVendor:RobotRobot "SHINNING" Narrow Body Rear Bumper & Diffuser For Toyota GR86 Subaru BRZ Material & Finish Carbon Fiber with UV Protection Clearcoat FRP with Primed Black/Gray Finish *FRP is a composite material comprised of carbon fiber reinforced polymers. FRP option comes with primed finish ready...
- $3,330.80
- $3,330.80
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Robot "SHINNING" Widebody Rear Bumper & Diffuser For Toyota GR86 Subaru BRZVendor:RobotRobot "SHINNING" Widebody Rear Bumper & Diffuser For Toyota GR86 Subaru BRZ Material & Finish Carbon Fiber with UV Protection Clearcoat FRP with Primed Black/Gray Finish *FRP is a composite material comprised of carbon fiber reinforced polymers. FRP option comes with primed finish ready to...
- $3,330.80
- $3,330.80
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Robot "Hyperion" Widebody Rear Bumper & Diffuser For Toyota GR Supra MK5 A90 A91Vendor:RobotRobot ""Hyperion" Widebody Rear Bumper & Diffuser For Toyota GR Supra MK5 A90 A91 *Pricing reflects pre-order pricing The Alerion and Hyperion kit for the A90 & A91 Supra is the most sophisticated in terms for aero dynamic on the market today by miles....
- $4,297.70
$0.00- $4,297.70
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Robot Rear Diffuser For Volkswagen Golf MK7.5Vendor:RobotMaterial & Finish Carbon Fiber with UV Protection Clearcoat FRP with Primed Black / Gray Finish *FRP is a composite material comprised of carbon fiber reinforced polymers. FRP option comes with primed finish ready to be sanded and painted. *Default prices for Carbon Fiber...
- $2,286.90
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Robot "HACKER" Narrow Body Rear Bumper & Rear Diffuser For Tesla Model 3Vendor:RobotMaterial & Finish Carbon Fiber with UV Protection Clearcoat FRP with Primed Black / Gray Finish *FRP is a composite material comprised of carbon fiber reinforced polymers. FRP option comes with primed finish ready to be sanded and painted. *Default prices for Carbon Fiber...
- $5,016.00
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Robot "Crypton" Rear Bumper & Rear Diffuser For Tesla Model 3Vendor:RobotMaterial & Finish Carbon Fiber with UV Protection Clearcoat FRP with Primed Black / Gray Finish *FRP is a composite material comprised of carbon fiber reinforced polymers. FRP option comes with primed finish ready to be sanded and painted. *Default prices for Carbon Fiber...
- $4,846.60
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Robot "Crypton" Rear Diffuser For Tesla Model Y - Carbon Fiber or FRPVendor:RobotMaterial & Finish Carbon Fiber with UV Protection Clearcoat FRP with Primed Black / Gray Finish *FRP is a composite material comprised of carbon fiber reinforced polymers. FRP option comes with primed finish ready to be sanded and painted. *Default prices for Carbon Fiber...
- $3,102.00
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Robot "Hidrogai" Rear Diffuser for Tesla Model 3 2024-ONVendor:RobotRobot " Hidrogai "Rear Diffuser for Tesla Model 3 2024-ON Elevate Tesla Model 3 2024-ON with Robot's " Hidrogai "Rear Diffuser. A complete transformation of style and performance. Installation Replacement with OEM mounting points, secure with screws or adhesive. Content Rear Diffuser* 1 Material &...
- $2,542.10
- $2,542.10
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Robot "HACKER" Widebody Rear Bumper & Rear Diffuser For Tesla Model 3Vendor:RobotMaterial & Finish Carbon Fiber with UV Protection Clearcoat FRP with Primed Black / Gray Finish *FRP is a composite material comprised of carbon fiber reinforced polymers. FRP option comes with primed finish ready to be sanded and painted. *Default prices for Carbon Fiber...
- $5,016.00
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Robot "STARSHIP" Rear Bumper & Diffuser For Tesla Model Y / PerformanceVendor:RobotRobot "STARSHIP" Rear Bumper & Diffuser For Tesla Model Y, Y Long Range and Y Performance Material & Finish Polypropylene (OEM like fit and finish)
- $2,244.00
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Robot "DAWN & DUSK" Rear Bumper and Diffuser For Mustang S550 S550.1 S550.2 2015-2022Vendor:RobotMaterial & Finish Carbon Fiber with UV Protection Clearcoat FRP with Primed Black / Gray Finish *FRP is a composite material comprised of carbon fiber reinforced polymers. FRP option comes with primed finish ready to be sanded and painted. Suitable for: Ford Mustang 2015 to...
- $3,601.40
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Robot "STORM" Rear Diffuser For Ford Mustang S550.1 S550.2 GT EcoBoost V6 Carbon Fiber or FRPVendor:RobotRobot ""STORM" Rear Diffuser For Ford Mustang S550.1 S550.2 GT EcoBoost V6 *Default prices for Carbon Fiber Parts Are for 3k (2x2) Woven Pattern Carbon Fiber with Gloss Clear Coat Finish. *FRP is a composite material comprised of carbon fiber reinforced polymers. FRP option...
- $2,796.20
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Robot "Cavalier" Rear Diffuser For Mustang S550.1 S550.2 2015-2022 Carbon FiberVendor:RobotRobot "Cavalier" Rear Diffuser For Mustang S550.1 S550.2 2015-2022 Carbon Fiber Material & Finish Carbon Fiber with UV Protection Clearcoat FRP with Primed Black / Gray Finish *FRP is a composite material comprised of carbon fiber reinforced polymers. FRP option comes with primed finish...
- $3,305.50
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Robot Mazda 6 Rear Diffuser 2014-2017 FRP or Carbon FiberVendor:RobotRear Diffuser can be used with or without Robot widebody fender flares. Material & Finish Carbon Fiber with UV Protection Clearcoat FRP with Primed Black / Gray Finish *FRP is a composite material comprised of carbon fiber reinforced polymers. FRP option comes with primed finish ready...
- $2,473.90
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Robot Carbon Fiber Rear Bumper & Rear Diffuser For Honda Civic 10th GenVendor:RobotRobot Carbon Fiber Rear Bumper & Rear Diffuser For Honda Civic 10th Gen Material & Finish Real 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...
- $3,631.10
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New Release!! CMST Tesla Model 3 Carbon Fiber Rear Diffuser Ver.4 with tow hook accessVendor:CMSTNew Release!! CMST Tesla Model 3 Carbon Fiber Rear Diffuser Ver.4 with tow hook access Material 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%,...
- $3,124.00
- $3,124.00
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New Release!!! CMST Tesla Model 3 Carbon Fiber Rear Diffuser Ver.5Vendor:CMSTNew Release!!! CMST Tesla Model 3 Carbon Fiber Rear Diffuser Ver.5 Material & Finish Real Carbon Fiber with UV Protection Clearcoat
- $1,609.30
- $1,609.30
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New Release!! CMST Tesla Model 3 Carbon Fiber Rear Diffuser Ver.3Vendor:CMSTNew Release!! CMST Tesla Model 3 Carbon Fiber Rear Diffuser Ver.3 Material 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...
- $3,124.00
- $3,124.00
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New Release! CMST Carbon Fiber Rear Diffuser Ver.3 for Tesla Model YVendor:CMSTCMST Carbon Fiber Rear Diffuser Ver.3 for Tesla Model Y 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 +10% Additional...
- $3,346.20
- $3,346.20
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