BJM2014

I don't know much about these and am wondering if people can pipe in with their comments. I see from the forums RR racing has a ECU upgrade but it appears to be for racing only. I use my ISF as a daily driver and therefore wondering if there is one more for street use? If you ever sell the car can it put back to factory settings? Any comments would be appreciated.

Drok149

I have it and daily my car as well. To my knowledge there's only one tune and it's for street driving. You can put it back to factory settings if you do sell it because it comes with a handheld device with the tune and factory tune i believe. I highly recommend it but can only speak from my experience with full bolt ons. I'm sure it still works well on a stock car though.

wmjeffreyw

The tune is TOTALLY street able. I actually have not tracked my car yet but have full bolt ons including RR's tune and intake. The car runs as smooth as it did when it was stock but when you put foot in it Watch Out!!! If you want to take the IS-F's fun factor up a couple notches, add the bolt ons and a tune. As long as you get the OBDII flasher you can flash the ECU back to stock.

Meraki Autoworks

iTrader: (8)

I'm pretty sure I'm the one that commented about the tune. Almost everyone uses the tune for their DD. Awesome tune. Let me know if you want me to ship it internationally.

-Josh

BJM2014

Thanks for the comments, Which one did you have? Where did you buy it? Thanks

BJM2014

Hi Josh, which one do you have? )I have a US shipping address)

Meraki Autoworks

iTrader: (8)

Talking about the RR tune. Best one available, probably the most popular also.

If its easier you can text me or message me.

-Josh

IredSF

iTrader: (3)

ive had my rr tune on for a week+. now.

Zero negative impact on daily drive ability (hell if any thing it just makes everything more FUN, if you want it)
if you just drive as transportation (sedate) have no fear, you wouldn't even be able to tell that there is a tune on your car.
drive it aggressively and YOU HAVE NO DOUBT that there is a tune on your car😆

Realy important , I've found only Benifits no drawbacks, seriously. I do a 15 mi round trip for my daily commute.

ZERO PROBLEMS

IredSF

iTrader: (3)

all OBDII flash tunes only now according to Simon

MileHIFcar

Probably makes sense, so no more sending in your ECU and them flashing it on the bench?

IredSF

iTrader: (3)

apparently not, too much risk

jlam86

iTrader: (1)

How much does the rr tune cost? I don't have the headers just yet but wouldn't mind modding in stages to see the changes. If we get the tune without the header and decide to do the header later on, do we have to pay the full price for another tune? Thank you!!

mahcah

iTrader: (3)

Directly from their website: http://www.rr-racing.com/RR-Racing-Lexus-IS-F-ECU-Upgrade-Tune-p/isftune002.htm

There are threads on this very subject as well. Happy researching

MileHIFcar

Quick answer is no, once the tune is bought you don't have to pay again if you add headers. The tune will adjust itself when you get the headers on for the additional airflow

Look in the vendors section under RR-Tune and you'll find a very lengthy thread about the tune from introduction to present

Ltaboso

I got the rr tune,the car still feels like a lexus on low rpms,but when you punch the throttle,the car turns into a beast...before the tune,it feels like a wild animal...