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Hello Mad,
I looked at the pics, and videos of this exhaust, and am intrigued. Looks like very nice stuff...
Some of what I have read is that changing the exhaust system does very close to nothing (save, perhaps, a more cool sound). In other words, no "bang for the buck."
The Fabspeed video posits that Porsche intentionally throttles down the Boxster exhaust, so that these vehicles don't "compete" with their more expensive models.
Q: Did you find that installing the NHP made a big difference, and would you do it again?
Q: Have you done any other mods (intake, or other) that also improved your engine's performance?
Thank you,
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