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RR Racing Lexus 300/350 OBD ECU Upgrade Tune For FKS
RR Racing Lexus 3XX OBD ECU Upgrade Tune For FKS


 
Our Price: $549.99


Availability: Usually Ships in 1 to 2 Weeks
Product Code: IG3XXFKS01


Full E85 Tune:

High Flow Air Filter:

RR Racing Carbon Intake:

RR Carbon Intake w/ Throttle Body:

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Description
 
  • This product is for the latest model 2gr-fks engines. Please be sure you do not have the early 2gr-fse found in the earlier cars.
  • Note: IS300/RC300 have not been tested in house so results are not published. In theory, results should match the 350 results listed below.

RR Racing is proud to release our tune for the Lexus IS/GS 2GR-FKS platform. The Lexus 350 ECU is a very complex and sophisticated engine management system. As always, we have worked very hard over a course of many months on developing this tune using our IS350 F Sport shop car as well as our customers' cars. We developed both on the dyno AND on the road. We have thoroughly tested various changes in order to optimize power and torque effectively while retaining stock fuel efficiency, knock control sensitivity, and other built in safety features.

We had done most of our development on the road, under real world conditions, doing hundreds of runs, datalogs, and hundreds of miles of testing between re-maps in order to determine how the ECU reacts to changes and adjust learning parameters. In addition we use our sophisticated in-house AWD DynoJet 424x LINX to fine tune our calibrations. Our ECU tune enhances the following ECU functions/parameters, including but not limited to:

  • Raises the shift points to higher rev limits between 200-600rpm higher than stock depending on gear.
  • Raises the speed limiter
  • Optional e85 tune
  • Ignition control
  • Variable cam maps
  • Throttle Response Enhancement
  • Direct Injection / Port Injection fuel mapping & fuel pressure
Please note: A PC Laptop is required to use the tuning software and programming cable we provide. Our tune results are summarized in the following table with supporting dyno graphs below:


Compatibility Table for cars with late fks engines only
Check your model to be sure it is 2gr-fks:
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Make Model Year Range
Lexus IS350 2018+
Lexus IS300 2018+
Lexus RC350 2018 +
Lexus RC300 2018 +
Lexus GS350 2016 +







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