Lexus Performance Tuning
0800 328 886
Lexus IS
Lexus ES
Lexus GS
Lexus RX
Lexus NX
Lexus LX
2GR-FE / 2GR-FKS 3.5L V6
8AR-FTS 2.0T turbo petrol
2AR-FXE hybrid petrol
Lexus hybrid systems
If you have a specific question regarding your Lexus that is not answered here, please give us a call or submit the enquiry form because we can help - we will assist you personally.
Yes - the 8AR-FTS is a Toyota-developed turbocharged engine built to Toyota's exacting reliability standards. It shares architecture with premium Toyota group engines and handles Stage 1 calibration within safe limits. We validate all Lexus tunes on NZ 98 RON fuel and log boost response and knock activity throughout the rev range before finalising the calibration. Lexus's build quality gives these engines excellent real-world reliability margins.
Yes, though the gains are more modest than on turbocharged models. The 2GR-FKS 3.5L V6 in the RX350 and ES350 typically gains 10–20kW and 20–40Nm from improved ignition timing and fuel mapping optimisation. More noticeable than the peak power gain is the improvement in throttle response and mid-range torque delivery - the engine feels more willing and less in need of heavy throttle inputs for overtaking and acceleration.
A Lexus NX or IS with the 8AR-FTS 2.0T typically gains 25–40kW on Stage 1, moving from around 180kW to 205–220kW. For a premium compact SUV or executive saloon, that's a meaningful improvement in overtaking performance and highway merging confidence. The gains are most noticeable in the 2,000–4,000RPM mid-range, which is where these cars spend most of their time in real-world driving.
Not when done correctly. Lexus's reliability reputation comes from Toyota's engineering conservatism - the same conservatism that leaves tuning headroom in the factory calibration. A Stage 1 tune that operates within safe limits doesn't meaningfully affect engine longevity. Maintaining regular oil changes with a quality full-synthetic lubricant and keeping to service intervals is more important to long-term reliability than the tune itself.
Improve your Lexus's performance with expert ECU tuning in Auckland. Contact us today - we'll outline exactly what gains your IS, NX or RX can achieve.
Real Drivers, Real Results.
We're proud of the results we deliver, but don't just take our word for it. Read what our satisfied customers have to say about their experience with our professional mobile tuning service and the real-world performance gains they've enjoyed.
Auto Tune were exceptional. Their attention to detail and deep technical knowledge were evident throughout the tuning process. They managed to unlock the hidden potential of my vehicle, providing a noticeable boost in power and responsiveness. I highly recommend their services to any enthusiast.
2018 Subaru Forrester - Howick
I was thoroughly impressed with the friendly and efficient service at Auto Tune. They transformed my car’s performance while maintaining reliability, striking the perfect balance. The difference in the driving experience is night and day, and the entire team was a pleasure to deal with. I will definitely be a returning customer.
2020 Audi RS6 - Takapuna
I brought my diesel ute in looking for more pulling power, and the team at Auto Tuning absolutely delivered. The difference in low-end torque is massive; it now hauls heavy loads up hills without breaking a sweat. The biggest surprise has been the improvement in fuel economy during my daily commute. A proper, professional tune.
2021 Ford Ranger - Henderson
