I've tried Cherry Bomb Vortex, Magnaflow and now Spintech. This Spintech Part 8441 muffler is perfect for my 5.0 L V8 2011 Ford F-150. It's still loud at low speeds but when I'm on the highway it sounds like stock! I love it. Paid only $130 direct to Spintech via their web site. This is the best muffler as far as I'm concerned.
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