Quote:
Originally Posted by gsxr750
if you look at the stillen dyno chart you will see that the engine really doesn't make any real power gains until 6500 -7000 rpm and below that range it only makes between 5-8 hp increase, not a really that significant for a $1000 price tag. Also most ppl don't drive their cars close to redline.
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That was the same conclusion I came to. I think the cai kits are around $500 though not $1k. Still not worth it unless you are out to try and squeeze every single possible horse you can out of the motor. And if thats the case you should be thinking turbos/supercharger...