IMF SC400 Headers GB $399!
11-22-09, 02:42 PM
#17
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I'll try to take a new pic soon of the flanges, its the same design as the stock ones. I have customers that had the headers on their cars for over a year with no issues. Also the warranty covers the flanges as well. Shouldnt have anything to worry about.
11-22-09, 05:11 PM
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Shipping to 94132 is $25.00.
Last edited by IMF; 11-22-09 at 05:14 PM.
11-22-09, 09:47 PM
#20
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I'm in on this fo shoa.. My car's a 98 sc400 vvti. A 20-30 hp extra would be great! That should get me close to 350hp in addition to the BFI mod and custom exhaust. And with a safe 75 shot of wet ZEX, I should pull high 12's/ low 13's with no supercharger or turbo, Lol.. Now that's what I'm talking about!
11-22-09, 09:49 PM
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I forgot to mention also, I see that the picture is a 4 to 1 header. Do they actually have 4-2-1 instead? Wouldn't I get more low end this way? What do most 400 V8 people use?
11-23-09, 01:45 PM
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These headers have already been tested by customer and clublexus members. They are proven to improve performance.
11-23-09, 04:16 PM
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Damn I love this car!
$450.00 shipped! How can I resist? You'd be dumb if you don't jump on this one. I bet the next group buy will be back to $499 or $599. I highly doubt it'll ever get below $399. Thanks IMF.
Last edited by scfou; 11-23-09 at 04:19 PM.
it can be done in your garage with only jack stands.... I've done it... 
11-23-09, 06:18 PM
#29
Just saw an install here of similar headers.
https://www.clublexus.com/forums/per...installed.html
Wow, Subframe needs to be lowered to have clearance. Definitely not just an hour job.
https://www.clublexus.com/forums/per...installed.html
Wow, Subframe needs to be lowered to have clearance. Definitely not just an hour job.
11-23-09, 06:39 PM
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I dont have anything i can post up but the headers have been dynoed at different times by different people at anywhere from 17-23whp gain. I hope this helps.
From butt of the seat dyno it feels like more to me. The car feels like it gained 20hp and lost about 300 pounds. Response time is greatly improved.
From butt of the seat dyno it feels like more to me. The car feels like it gained 20hp and lost about 300 pounds. Response time is greatly improved.