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Headers made my exhaust a little quieter, mellower. Right now i have a flowmaster 40 SISO, and MAC equal length headers. I will be installing a flowmaster 2.5in/3.0out Y-pipe and 3" warlock muffler. The warlock has a bypass cap, so it's basically a built in cut-out.
There's tons of things to do to make it loud, gut the cats, get rid of the cats, true duals, true duals into glasspacks or something similar.
Rezvani's Latest Post-Apocalytic 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.