HGS Exhaust – Yamaha YZ125 (2005-2021)
HGS Exhaust – Yamaha YZ125 (2005-2021)
The HGS Exhaust for the Yamaha YZ125 has been developed through world championship motocross racing to maximise engine performance, throttle response and rideability. Designed specifically for the 2005–2021 Yamaha YZ125, every HGS exhaust is hand-built in the Netherlands using premium-quality steel to deliver stronger acceleration, improved over-rev and smoother power delivery throughout the RPM range.
Whether you're racing motocross, training or rebuilding a classic YZ125, the HGS Exhaust delivers race-proven performance with outstanding fit and finish. Trusted by professional MXGP teams around the world, HGS exhaust systems are renowned for their quality, reliability and significant power gains.
Fitment
- Yamaha YZ125: 2005–2021
- Engine: 125cc 2-Stroke
- Product: HGS Performance Exhaust
- Construction: Hand-built Steel Expansion Chamber
- Installation: Direct Bolt-On
Key Features
- Race-developed HGS exhaust system
- Designed specifically for the Yamaha YZ125 (2005–2021)
- Hand-built steel expansion chamber
- Improved throttle response
- Stronger acceleration and increased over-rev
- Optimised power delivery throughout the RPM range
- Premium hand-welded construction
- High-quality racing-grade materials
- Direct bolt-on installation with OEM fitment
- Used by championship-winning motocross teams worldwide
Why Choose HGS?
HGS has earned a worldwide reputation for producing some of the highest-performing motocross exhaust systems available. Every exhaust is developed through professional racing and manufactured by hand to deliver exceptional performance, reliability and precise fitment. The Yamaha YZ125 HGS Exhaust is the perfect upgrade for riders looking to unlock more performance from Yamaha's legendary 125cc two-stroke.
Need Help Choosing the Right Exhaust?
Contact Progressive Performance for expert advice on HGS exhaust systems, engine tuning and motocross performance upgrades. We'll help you choose the ideal HGS exhaust for your Yamaha YZ125.