IS F (2008-2014) Discussion topics related to the IS F model

ISF and GSF oem intakes interchangeable ???

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Old 04-27-20, 12:10 PM
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Turok
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Default ISF and GSF oem intakes interchangeable ???

Would the GSF and RCF oem intake (Air cleaner assembly OR Air cleaner cover) fit the ISF?
Old 04-27-20, 02:58 PM
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flowrider
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In a word - No!

Lou
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Old 04-27-20, 03:33 PM
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Turok
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Thank you Lou. I thought i read that you sold your Isf , did you sell it with the takeda intake?
Old 04-27-20, 03:55 PM
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^^^^I did

Lou
Old 04-27-20, 04:14 PM
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Cheer up I’m sure you got something better. If you didn’t you can have mine it already comes with a takeda .
Old 04-27-20, 04:15 PM
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Btw can you explain to me how you made custom axle back out of your old mufflers?
Old 04-28-20, 11:00 PM
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Joe Z
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Question

Originally Posted by flowrider
In a word - No!

Lou
Just wondering... It's been a while since I played around with the GS F / RC F intakes...

All 3 accepted my intake pipe perfectly and all 3 accept the identical Air Element Filters.

What doesn't work?? The mounting points ?

Joe Z
Old 04-29-20, 07:42 AM
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^^^^An ISF intake pipe may in fact fit. The OP was asking about the Intake assemblies.

Lou
Old 01-12-21, 06:24 PM
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93MSB
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Joe,

Does the RC/GS-F pipe/maf panel of the intake assembly fit the ISF box?






I have the RR tuned intake, I like the idea of the bigger MAF pipe diameter. However there are some things I personally would like to change, and if the rc/gs panel fits i think it might achieve both my goals

IIRC you said the diameter of the gs/rc pipe is closer to 3.5", and the RR maf housing is 87mm (3.43")

1. I prefer the induction noise of the stock intake system.
2. I believe the aluminum housing of the RR tuned intake system causes some excess heat soak for me in the summer months here in Texas. Moving to an abs plastic certainly cant hurt.

Last edited by 93MSB; 01-14-21 at 12:35 AM.
Old 01-13-21, 11:39 PM
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lobuxracer
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No, it does not. I have both in the garage and the GS F needed an air filter change, so I tried putting the GS F piece on the IS F and it failed. There are small differences between the two units making it impossible to connect them.
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Old 01-14-21, 12:29 AM
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Originally Posted by lobuxracer
No, it does not. I have both in the garage and the GS F needed an air filter change, so I tried putting the GS F piece on the IS F and it failed. There are small differences between the two units making it impossible to connect them.

well that's too bad, time to invest in a 3d printer

thank you for checking that out lobux
Old 01-14-21, 01:10 AM
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Originally Posted by flowrider
^^^^An ISF intake pipe may in fact fit. The OP was asking about the Intake assemblies.

Lou
That didn't work either. the GS F unit did not fit on the IS F OEM intake tube. It's too big.
Old 07-14-21, 12:14 AM
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Wuzupez
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How about the intake manifold/plenum? Will the GS F/RC F fit in the IS F?
Old 07-14-21, 03:34 PM
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Pretty unlikely. The heads are different castings.
Old 11-26-21, 11:36 PM
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Has anyone measured the ID/OD of the RCF/GSF MAF? Quick search didn't find anything.

ISF measures 80mm/84mm


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