Triple R Composites Tesla Model 3 Rear Finned Diffuser Panel
Give your Tesla Model 3 a sharper, more aggressive rear end with this rear finned diffuser panel. It adds a clean, sporty look that makes the car appear lower and wider on the road.
The diffuser panel sits under the rear bumper and uses shaped fins to guide the air as it leaves the back of the car. This helps tidy up airflow and adds a subtle motorsport style that suits the Model 3 perfectly.
- Sporty finned design for a more focused, performance look
- Makes the rear of the car appear lower and wider
- Gloss black gel coat finish to match other exterior trims
- Lightweight composite construction for strength without extra bulk
Finish and installation
This diffuser panel comes finished in a gloss black gel coat, ready to fit straight to the car. The smooth, shiny surface pairs well with factory black details and aftermarket styling parts.
The panel is designed to bond onto the underside of your rear bumper using a suitable polyurethane adhesive. Polyurethane adhesive is a strong, flexible glue commonly used in car bodywork, ideal for exterior trim parts that must cope with movement and vibration.
Careful surface preparation and correct bonding are essential for a secure fit. Professional fitting is recommended if you are not confident working with bodywork adhesives.
Fitment and compatibility
Designed to fit Tesla Model 3 models from 2017 to 2023.
Use the vehicle lookup on our site or check the Vehicle Fitment tab for full details before ordering.
Triple R Composites UK Authorised Installer & Distributor.



