I have the same exhaust as you. And I did have JUST the cat-back for some time and yes the sound was the same at around 2000 RPMs, but after the headers and h-pipe, my sh!t is too loud now. so, just take another step and ull hear a big difference.
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94' Stang GT Convertible Cobra upper&lower, Mac cold air w/K&N, BBK equal length shorties, BBK offroad H-pipe, American Thunder cat-back, BBK T/B 65mm, 24lb injectors, Pro-77mm MAM, pulleys, aluminum driveshaft, 3.55s 14.4@100. (Sad, i know. i have stock heads)
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