Does anyone know the diameter of the stock intake tube or of any of the aftermarket tubes,Joe Z, K&n, LMS or others?
I did not find anything on search.

 

VikH has the FSport and may have some info on that. I have the SRT and I believe its 3" or 3.5"...Would you like me to measure it for you? Its meant for you GS also if that is what you are looking for.

 

Do you have the SRT intake that they make for the 01-05 GS430? Does it fit that well? I always wondered since the 430 06+ had a different engine bay and plastic trim if it would fit. The SRT is 3.5"
I was wondering if the Is350/250 MAF was getting the same reading w/ the different pipes. If they kept w/ stock diameter then no possible issues but going larger could run leaner. I have not heard of any issues so maybe if there is difference in size its enough for the ECU to compensate and handle.

 

Yea it fits in the 06 just barely. Its meant for the 01-05 GS430. The major difference is in the corner there is the shield and how it would sit in that corner. In my car I am not able to use that shield and there is about a 1" gap or so from the hood and how it sits. I think I am going to get a 90 degree elbow to add and have it more in that corner and just have them spray the whole pipe to match.

I keep tripping the CEL. I was lean in bank 1 & 2 so its off the car now. I go this coming Saturday, finally, for a full custom exhaust and tune with the intake PM me if you are interested or anything I can get to help while I am at this shop

 

F-Sport was 3.125" ID

 

thanks.,So I guess the ECU can handle that size . The stock looks 2.5 or 2.75"

 

Are you using the SRT ECU? Are you tuning w/ the Apexi S-AFC?

 

No to the SRT ECU...but I do have it. Yes to the Apexi NEO as I am planing to boost and wanted something that will work when I make that last jump and also get the best tune for the car with the exhaust and intake.

 

are you going to make your own out of a pvc pipe?

 

Yea that is why your getting the lean CEL's Do you have a ECU wire harness so you don't have to cut your main wiring? Hard to find, Rock-a-Lex had one made I don't know if they do GS430. If your wiring is the same as 01-05 I can get you one.