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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and also dont forget, numbers shrink a bunch once other bolt ons are added (exhaust, HFC's or TP's...)