Oh, Yeah! I've had it in for several months now. I think it has a noticeable affect all the way from idle on up. Pay close attention to how smoooooth it revs at 2500+ - you don't get that 'rasp' at ~3000 any more.
Enjoy!

AL


Red '98 SVT E0 3098/6535
KKM, Elizabethan EGR Plate, TH fix
OMP front brace
Hightower rear brace
DMD
B&M with reverse lockout disabled and centering spring removed
Mobil 1 oil and trans fluid
A6 Side Markers, Optima orange, Horn recontent
Painted Sail Panels
VooDoo Knob and pedals, RogerR deadpedal
Blau Houston & CD changer
Cup holders that work
Donnelly mirror
BAT Sill Plates
and a Bullitt fuel door