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Old 08-09-10, 05:48 PM
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Default IMF headers...

Since not everyone checks the group buy section i figured i will let everyone know i am having a group buy on the SC400 headers for $499 + shipping. Check out the GB section for more info.

Feel free to ask me any questions or e-mail me to IMFproducts@aol.com

Chase
Old 08-09-10, 05:49 PM
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sc4demon
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will these bolt onto the 98+ sc400 vvti?
Old 08-09-10, 05:56 PM
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Originally Posted by sc4demon
will these bolt onto the 98+ sc400 vvti?
Good question!

Everything will bolt on however you may need to rotate the flanges between the headers and your stock mid pipe. I have had 3 customers with the 98+ models, one of them said it fit 100%, the other two had to cut and reweld those flanges i was talking about. I guess Lexus has a few versions for their manifolds depending on the model year and cal/fed specs.

The modification is very simple, any muffler shop can do it under 30 minutes. Let me know if you have anymore questions.
Old 08-09-10, 06:19 PM
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how much shipped to 11040?
Old 08-09-10, 06:35 PM
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Originally Posted by sc4demon
how much shipped to 11040?
Thats a NY zip code, correct? Its $59.00 to NY.

Shipping costs are anywhere from $39-59 depending on state. Canada is $69.
Old 08-09-10, 07:02 PM
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Originally Posted by sc4demon
will these bolt onto the 98+ sc400 vvti?
The passenger side will bolt on 100% if you delete the cat. The driver side is what requires the chop and reweld.
Old 08-09-10, 08:33 PM
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Originally Posted by Durrby
The passenger side will bolt on 100% if you delete the cat. The driver side is what requires the chop and reweld.
Just to clarify further, the headers require you to remove the cats. The headers replace the stock manifolds and the stock cats.
Old 08-10-10, 07:29 AM
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I bet those sound pretty with a good exhaust behind it
Old 08-10-10, 08:00 PM
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Originally Posted by JohnMatt
I bet those sound pretty with a good exhaust behind it
Think of a more mellow Mustang sounds with the stock exhaust. With after market exhaust it sounds like a deeper sounding mustang.

I am not a big fan of mustangs but they do sound good!
Old 08-11-10, 08:01 AM
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I agree completely with you on not liking the car but they do sound good. Do you have any clips with the headers and aftermarket exhaust?
Old 08-11-10, 02:47 PM
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Originally Posted by JohnMatt
I agree completely with you on not liking the car but they do sound good. Do you have any clips with the headers and aftermarket exhaust?
I dont but i know at least a couple have been posted on the forums before. I did a quick search but couldnt find it. It might be buried in some of the threads. Try searching as well, if i find it, i'll post it up.
Old 08-13-10, 02:33 PM
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just bought a set.
Old 08-14-10, 11:21 AM
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Has there been any dyno testing with these?
Old 08-14-10, 02:47 PM
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Originally Posted by V8drummer
Has there been any dyno testing with these?
Yes. Lowest number i've seen was 18whp, highest was 23whp. I do not have any of the dyno sheets though as this was done about 2 years ago and exchanged hands a few times.

Some CL members (customers) can confirm.
Old 08-16-10, 01:19 PM
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Tracking numbers will be e-mailed tonight. 2 sets remain at $499, GB ends this friday.


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