IS - 1st Gen (2001-2005) Discussion about the IS models up to the 2005 model

uh oh..torque loss?

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Old 06-16-09, 06:59 AM
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KPC
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Default uh oh..torque loss?

i just inished installing my toyomoto headers along with a megan y-pipe..originally i wanted to install these to compliment my HKS dragger (which it did ) but now im noticing that the car doesnt feel any faster?..it actually feels slower..i did some researching and everyone says that because the exhaust is more free flowing now there is a decrease in backpressure which causes you to lose torque..shouldnt my car be faster though?..i dont understand...how can i get my power back w/o going back to stock?..
Old 06-16-09, 06:53 PM
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O. L. T.
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2JZGE VVTI + back pressure = FTW.

It's one of those things you either got it or you don't.
Old 06-21-09, 01:24 PM
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LexusGSXR
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yup.............
Old 06-21-09, 10:56 PM
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Thats the down fall with the GE blocks

Get BC Cams

You now have High end HP/TQ, just not off the line.
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