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Invidia Q300 exhaust/Cusco Strut bar/ISF ECU questions

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Old 09-25-14, 06:45 PM   #1
MrHarris
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Default Invidia Q300 exhaust/Cusco Strut bar/ISF ECU questions

I purchased the Q300 full catback exhaust system. Does anyone have first hand experience if there's drone at cruising rpms/freeway rpms?


I also got the Cusco Front Strut Tower Bar, is it best to keep the engine cover on or off? Does it matter?


After installing the 2012 IS-F Steering ECU and Steering dampener, I read I have to get it calibrated? Can this only be performed by an authorized Lexus dealership? Also, how much should I expect to spend on this "calibration?" And what exactly does the calibration do?


Last random question, given they are the same price which set of tires would you use?
Bridgestone S-04 Pole Position vs. Hankook Ventus V12 Evo2





Thanks guys, really appreciate the feedback/info.
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Old 09-26-14, 12:24 PM   #2
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Don't know about #1

The center motor cover you can keep it on; the sides will have to either be removed (like I do) or modified.

Dealership. No idea on the pricing; but the calibration will just sync the box with your car vs the previous car or default settings from the factory.

V12s, just because you can flip the tires for camber wear.
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Old 09-27-14, 04:50 AM   #3
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Originally Posted by Gville350 View Post
Don't know about #1

The center motor cover you can keep it on; the sides will have to either be removed (like I do) or modified.

Dealership. No idea on the pricing; but the calibration will just sync the box with your car vs the previous car or default settings from the factory.

V12s, just because you can flip the tires for camber wear.

Here's the setup I'm installing in about 4 weeks from now. All are already bought. So sadly I won't be able to flip the tires for camber wear. With the parts I choose, specifically the FIGS bushings, should negate a lot of the RIDICULOUS inner tire wear our cars have. I've never heard of a cars front wheel tires need to be changed before the rears except with this.

Anyways... The exhaust I'm not 100% sure I made the right choice but I'll put it on and hear how it is and see if the 70-75mph RPM drone is bearable or just straight annoying.

I have an Injen SP Short Ram intake and IS-F rear sway bar as my only mods. So I'm hoping to be driving a new car again (got engine rebuilt from warranty at 99k miles, car has 117k miles).
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Old 09-27-14, 06:19 PM   #4
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In regards to the steering ECU..

Any dealer with a techstream can do the calibration for you. So you can just take it to a Toyota dealership.
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Old 09-27-14, 06:58 PM   #5
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In regards to the steering ECU..

Any dealer with a techstream can do the calibration for you. So you can just take it to a Toyota dealership.
How much does it cost to calibrate? Do you know?
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Old 09-28-14, 06:00 AM   #6
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How much does it cost to calibrate? Do you know?
I haven't done it yet so I couldn't tell you for sure. But it sounds like half an hours worth of labour from what others have said.
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Old 09-28-14, 06:00 AM
 
 
 
 
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