TST Industries
TST WORX Airbox Cover | Multiple Models
Can’t find the part or product you need?
Send us a product link, photo, part number, drawing or specification. We can help source products across Taiwan, Hong Kong and Mainland China.
Request Product Sourcing →Customs duties, import taxes, VAT/GST, brokerage fees and other destination-country charges are not included unless explicitly stated otherwise.
Variant compatibility
Select the correct SKU for your motorcycle. Compatibility differs by configuration.
| SKU | Configuration | Compatible models and years |
|---|---|---|
| R3AFC | Default Title | Yamaha MT-03 2025+; Yamaha YZF-R3 2015 - 2018; Yamaha YZF-R3 2019 - 2024; Yamaha YZF-R3 2025+ |
TST WORX Airbox Cover for Yamaha YZF-R3 / MT-03 2025+
Features
- Provides additional airflow to your R3 / MT-03 engine for better performance without needing to permanently modify your airbox
- Provides 2.5% - 3.0% increase in mid-range power on a properly tuned bike
- Sintered construction ensures precise fitment
- Includes left side cover
- Can be used with side fairings installed while maintaining ample airflow
- Compatible with all OEM and aftermarket air filters designed for the Yamaha R3 / MT-03
- Reuses OEM hardware during installation
- Can remove the stock airbox snorkel if desired
- Should be paired with high-flow air filter, WORX Velocity Stacks, full-system exhaust, and TST WORX Stage 2 Tune for best results
Description
Gain more performance from your Yamaha R3 or MT-03 with a simple, bolt-on upgrade. The TST WORX Airbox Cover is a direct replacement for the restrictive factory cover, engineered to deliver increased airflow for measurable gains - up to 2.5-3% more midrange power on a properly tuned setup. Designed to complement our TST WORX Velocity Stacks, TST WORX Stage 2 ECU Tune, high-flow air filter, and an aftermarket full system exhaust, this upgrade helps your 321cc engine deliver improved torque and power where it counts. Best of all, installation is fully reversible, meaning there's no cutting or permanent changes, just straightforward performance with the option to return to your stock configuration anytime you may need.
* This kit works best when paired with a high-flow race air filter, exhaust system, velocity stacks, and a proper tune.
TST WORX Airbox Cover for Yamaha YZF-R3 2015-2024
Features
- Provides additional airflow to your R3 engine for better performance without needing to permanently modify your airbox
- Sintered construction ensures precise fitment
- Includes left side cover
- Can be used with side fairings installed while maintaining ample airflow
- Compatible with all OEM and aftermarket air filters designed for the Yamaha R3
- Reuses OEM hardware during installation
Description
Increasing airflow and performance potential has never been this easy. Our bolt-on TST WORX Airbox Cover replaces the stock cover with a completely redesigned unit that provides increased airflow to your R3's engine. When paired with a proper tune and full system exhaust, this airbox cover plays a crucial role in getting your more power and torque from your 321cc powerplant. Avoid cutting or modifying your stock parts - this is a completely hassle-free installation that enables you to return to a street-legal stock setup if ever needed.
* This kit works best when paired with a high-flow race air filter, exhaust system, velocity stacks, and a proper tune.
Ordering information
Supplied to order. Availability and dispatch timing will be confirmed after purchase.