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3IS intake pipe on 2IS

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Old Sep 17, 2020 | 10:44 AM
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Default 3IS intake pipe on 2IS

Is this the correct 3IS intake pipe for a IS350, 2nd gen?

https://www.mylparts.com/oem-parts/l...MtNWwtdjYtZ2Fz

Thanks in advance!
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Old Sep 17, 2020 | 10:50 AM
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Yes. See post #1 for parts list.

https://www.clublexus.com/forums/is-...n-3is-4gs.html
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Old Sep 17, 2020 | 12:17 PM
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Originally Posted by MikeFig82
Thanks for the rapid response.

I've seen that thread and I'm still a little bit unclear. I need all those separate little parts?

I was thinking of buying this:

https://www.ebay.com/itm/2015-14-13-...QAAOSwzIBfT-wD

And it appears to have everything I need, correct?

Sorry, I'm very new to all this. I read that entire thread and it appears to me that the part numbers Jeff lists are if one wants to purchase the parts from a dealer. The used part that I linked above appears to have all the ancillary hoses and bolts and stuff, correct?

I've done the lower intake airbox mod so I'm not completely clueless!
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Old Sep 17, 2020 | 12:33 PM
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Originally Posted by OldLs400
Thanks for the rapid response.

I've seen that thread and I'm still a little bit unclear. I need all those separate little parts?

I was thinking of buying this:

https://www.ebay.com/itm/2015-14-13-...QAAOSwzIBfT-wD

And it appears to have everything I need, correct?

Sorry, I'm very new to all this. I read that entire thread and it appears to me that the part numbers Jeff lists are if one wants to purchase the parts from a dealer. The used part that I linked above appears to have all the ancillary hoses and bolts and stuff, correct?

I've done the lower intake airbox mod so I'm not completely clueless!
That's the whole assembly. You have to use your original clamp on for the top airbox. As the picture shows its not on the part. Regardless you could always use your originals.

Anyone else buying a used assembly make sure to look at the letters.

A is for the 350
B is for the 250
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Old Sep 17, 2020 | 01:09 PM
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Originally Posted by MikeFig82
That's the whole assembly. You have to use your original clamp on for the top airbox. As the picture shows its not on the part. Regardless you could always use your originals.

Anyone else buying a used assembly make sure to look at the letters.

A is for the 350
B is for the 250
Thanks so much! By original clamp on for the top airbox, you're talking about the metal clamp that I've circled below, right?

I'll just use my original if it's not included. But then I wonder why he didn't include that clamp but included the clamp on throttle body side...



Last edited by OldLs400; Sep 17, 2020 at 01:18 PM.
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Old Sep 24, 2020 | 05:22 PM
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Thanks again for the help. I got the pipe today and had it installed in 5 minutes flat. Couldn't have been easier. 2 bolts and 2 spring clamps.

The pipe does add a bit more found above 4k RPM, I'd say it was worthwhile for me. Works well in conjunction with the F-Sport lower air box.
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