Description
Austin Racing Ninja 650/Z650 GP1R De-Cat Exhaust (2017+)
Upgrade your 2017+ Kawasaki Ninja 650/Z650 with the Austin Racing GP1R de-cat race exhaust. Titanium/Black tip, increased power, aggressive sound. Shop now!
Unleash the raw power and aggressive sound of your 2017 and newer Kawasaki Ninja 650 or Z650 with the Austin Racing GP1R De-Cat Race Exhaust System. This high-performance, de-cat system is engineered for maximum exhaust flow, significantly boosting your motorcycle’s performance.
The GP1R features a 60mm bore tip and is available in either sleek black or pure titanium. This system removes the catalytic converter for unrestricted exhaust flow and a noticeable increase in power and a more visceral exhaust note.
Please note: Installation of this system requires cutting your standard exhaust. Refer to the fitting instructions for detailed information.
DB Levels (Tested at 5500RPM):
- With GP1R can: 104dB / 106dB (without killer)
Weight: 1.1kg
Best Uses:
- Performance Upgrades: Maximizes engine power and torque by removing the catalytic converter.
- Aggressive Sound Enhancement: Delivers a loud, race-inspired exhaust note.
- Track Days and Racing: Optimizes exhaust flow for peak performance on the track.
- Weight Reduction: Significantly reduces the weight of the exhaust system for improved handling.
- Custom Motorcycle Builds: Adds a high-performance, race-oriented look to your Ninja 650/Z650.
5 Features:
- De-Cat System: Eliminates the catalytic converter for maximum exhaust flow and power gains.
- GP1R 60mm Bore Tip: Features an angular tip available in black or pure titanium.





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