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Originally Posted by series 7
And what about the usual HP mods, exaust/headers, etc, im sure it does something right? Also, what catalog is this, where can I view it?
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Hi,
You're absolutely right! Headers can make a difference. But again, only 10-15 HP and for about $1,700-$2,200, so we're right back again with the estimated $1,000/7-10HP ratio.
Also, Headers do little to enhance low-end performance (torque) and may actually impede it.
Finally, it very much depends on where this
extra power is formed - where in the RPM range. If all the power gains occur at 6,000RPM (and this is where they usually do), all it is really good for is to produce Dyno or Time Slips as these are usually the only two places where you will regularly run in this range. Plus, there is almost always a corresponding
decrease in HP/Torque somewhere else in the PowerBand (usually the Mid-ranges), lowering your Net gains as well as making the car less powerful in day-to-day. The power isn't really
usable...
Happy Motoring!...Jim'99