0 drone. when im running steady in OD i can't even hear the mufflers. Very quiet inside once you get to cruising speeds.
I find my mileage is a little shot at the moment, cause i keep giving little shots of gas all the time to hear her purr..hahahaha...
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2002 GTP
1987 Buick Grand National
Intense PCM, 3.5" Pulley, SLP C.A.I, 3" D/P, Flipped FSB, U-Bend Delete, Flowmaster 50 Series, Autolite 605's, Drilled 180 Thermo, Falken FK-451's (245/45ZR18), Motegi FF7 Hyper Black 18x7.5, SS Grills, Tint & Overlays here and there.