I was just on performance fords web site and reading the specs on the brullen system, they are identical to the bosal, so unless the bosal mufflers are restrictive i would think the dyno's should be about the same. just my 2 pennies. I would def. like to see a bosal on a dyno jet.

98 csvt t-red.. sho-shop intake, b&m, fidanza, spec1 clutch, Torsen, DMD,optimized Y& TB, Brullen, rear strut bar,h&r's,17" konig traffik's. "I say what I mean and I do what i say"