The Boss regularly has it's *** handed to it by the Camaro 1LE, which was just basically a normal SS with ZL1 suspension / brakes.
Ford really needs to step up it's game on the 2015 Mustangs, otherwise it may end up like it was throughout the 90's, with Mustangs getting destroyed in performance tests against the Camaro/TA.
99 Chevrolet Camaro Z28 M6 - 6.676 @ 103 in 1/8, 10.512 @ 130.2 on street tires, H/C/I
93 Eagle Talon TSI AWD 5spd - Built 6 Bolt, 16G Evo3, HKS 272 Cams - under construction
94 Mustang GT - 5.0 bored and stroked to 347, Vortech V1 @ 10 PSI, Tremec TKO 600 - PIA