Quote:
Originally Posted by P@ul
I took a look at some dyno charts for Caymans and they have similar dip, which is also solved by an aftermarket header. Here's an article with dynos from European Car magazine.
Here's another photo from Fabspeed for their headers:
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Man, I would be PISSED about having that as a dyno result after buying headers for a Cayman. For every place it gained power, it lost as much (or more) somewhere else. Look at the dip it created from ~4800-5700 rpm!