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Will this supercharger fit my car

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Old 05-11-18, 04:40 PM
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djs801
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Default Will this supercharger fit my car
https://m.ebay.com/itm/New-HKS-GT-Su...pid=1141357167

says it’s for the is350 but would it fit my 2008 IS250? Tried to contact the seller but it hasn’t been letting me.
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Old 05-12-18, 04:44 AM
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Aspect
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I would imagine you could get it to fit with some slight modifications. The main concern is that the piggyback ECU they give is for the IS350 so I'm not sure if it'll work on the IS250 or be ideal for operation... hence why I'm just kinda praying RR racing will finally decide to do an IS250 kit lol
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Old 05-12-18, 09:13 AM
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It'll fit physically. Everything in that general region of the car that would interfere with the bracket is basically the same between the two engines (I know this because I have a supercharger kit designed for a IS350 on my is250). You would need a larger diameter pulley for that HKS supercharger as the included pulley would probably put boost in the 9+psi range which will be a bit too high without some kind of fuel mod. Also the Fcon piggyback would likely need to be retuned assuming the harness is even compatible with the IS250. You can run low boost on these engines without the piggyback ecu anyway.
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Old 05-12-18, 09:43 AM
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Are you going to attempt to install it? yikes I'd definitely stay away from something with little documentation and proven reliability.
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Old 05-13-18, 11:00 AM
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djs801
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Thanks for the help guys. I’ll probabky just wait for rr to come out with theirs in a month or two
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Old 06-10-18, 09:01 PM
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Lex80
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Originally Posted by Aspect
I would imagine you could get it to fit with some slight modifications. The main concern is that the piggyback ECU they give is for the IS350 so I'm not sure if it'll work on the IS250 or be ideal for operation... hence why I'm just kinda praying RR racing will finally decide to do an IS250 kit lol
^^ Same here!
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Old 06-11-18, 12:24 AM
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Originally Posted by Lex80
^^ Same here!

We are 100% releasing our 2nd gen IS350 SC this week. It will be bolt on for the is250.

My my only concern for an is250 kit is that to do it right, and make worthwhile gains (say 100hp+) port injectors would have to be added, and that would add significantly to the cost of a 250 kit.

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Old 06-16-18, 04:35 AM
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Originally Posted by RRRacing



We are 100% releasing our 2nd gen IS350 SC this week. It will be bolt on for the is250.

My my only concern for an is250 kit is that to do it right, and make worthwhile gains (say 100hp+) port injectors would have to be added, and that would add significantly to the cost of a 250 kit.

Rafi
Do you know approximately how much power the RR racing kit adds to an IS250? On the site I don't see a tune available for the IS250 yet, so can you run the supercharger without a tune?
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Old 06-16-18, 05:32 AM
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Originally Posted by Aspect
Do you know approximately how much power the RR racing kit adds to an IS250? On the site I don't see a tune available for the IS250 yet, so can you run the supercharger without a tune?

i wouldnt run any SC without a tune. We just released the 2nd gen is350 kit, we don’t have a kit yet for the 250

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Old 06-20-18, 10:10 AM
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Lex80
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I thought this was coming out for a is250?
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Old 06-20-18, 02:37 PM
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Originally Posted by Lex80
I thought this was coming out for a is250?
not unless you want to pay 8,000. fuel injectors would have to be added.
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