Description
The THUNDERMAX Oxygen Sensor 309-355 pairs with an ECM tuning platform to optimize your fuel mixture and ignition timing without the expense and time commitment of traditional dyno tuning. By replacing your factory oxygen sensors with this system, you gain access to constantly updated maps, real-time tech support, and performance adjustments that adapt to your specific setup—all online and at no additional cost. Whether you’re running an aftermarket exhaust or chasing peak performance, this bolt-on solution delivers measurable gains in throttle response and engine efficiency.
- Bolt-on installation
- Factory ECM replacement required
- New O² sensor harness included
- Software maps pre-loaded
- No dyno tuning needed
- Free online map analysis
- Continuous firmware updates included
- 24/7 tech support access
- U.S.A. manufactured
- May require exhaust modifications
- Compatible with aftermarket systems
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