I went with two buddys one with a 00 Z28 another with a 05 G35 and a girl with a 98 V6 Mustang.
00 Z28
Auto
Lid, SLP cat-back
best 13.5 @104
05 G35
Auto
bone stock
best 14.7 @ 97
98 V6 Mustang
Auto
Intake, Muffler
best 17.1 @ 79
00 Z28
Auto
Lid, SLP cat-back
best 13.5 @104
05 G35
Auto
bone stock
best 14.7 @ 97
98 V6 Mustang
Auto
Intake, Muffler
best 17.1 @ 79