We've all seen dyno results from stock and different aftermarket exhausts. The stocker really isn't a bad performer. What's the max gain on an aftermarket??? 5HP?
I think the real gain in performance is weight loss. I've got a Borla on my car now, and I weighed the difference between it and stock...23 lbs. Pull the spare and that's another 25 or so lbs.
Anyone out there driven a 2600 lb Spec Boxster?? Those things are effing quick! and with a 2.5 no less!!
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