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Well, I went and did it. I cut out the muffler on my stock 2005 6.0 Excursion. I was a little worried about the noise but it is AWESOME!
It's hardly noticable at idle and cruising. Under acceleration I can hear it but it really shines when you floor it and the RPM's get above 2.5k-3k! WOW, you hear it for sure!
Inside the truck is barely any different on the highway.
This Hennessey Takes the Expedition Tremor's Off-Roading Capability to the Next Level
Slideshow: The VelociRaptor Expedition gains a lift, upgraded suspension, Brembo brakes, and trail-ready equipment while retaining the stock 440-horsepower EcoBoost V6.
Rezvani's Latest Post-Apocalyptic Monster Is a Ford F-150 Raptor Underneath
Slideshow: Called the Fortress, the 850-horsepower pickup combines Raptor underpinnings with military-inspired features, survival equipment, and a starting price of $285,000.