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      12-11-2012, 11:27 PM   #5

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Drives: 2009 E90 328i
Join Date: Jul 2012
Location: Louisville, KY

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Originally Posted by cuiter23 View Post
15hp gain is a bit ridiculous IMO for a muffler. I would be surprised to see even 5hp haha.

well the exhaust brand new is 599+tax around $650. And install depends on the store I've heard $50 for a bolt-on install.
I guess they exaggerate just a tad haha: "Optimal power, performance and sound are the core values of our N52 exhaust system. A free-flow design and beefy 80mm dual exhaust tips allow 35% to 40% more air flow than in the stock system. The increased flow minimizes back pressure, resulting in substantial HP and torque gains."

And $50??? That's a bargain haha I may look into it more.