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Here's the SS's mods: K&N CAI, Ingalls ETD, ZZP 2.6" pulley, ZZP adjustable tensioner, ZZP injector harness, 60 lbs/hr injectors, Pacesetter header, 3" exhaust, ported supercharger, custom tune, poly front and rear tranny mounts, billet/poly motor mount, poly control arm bushings.
SRT-4's mods are: Mopar Stage 2 w/out toys with big injectors, Dtec FC,DCR oil flow modifier, Agp MM/TM, AGP FMIC, AGP CAI, AGP Wires, MSD Coil, Hurst short shifter,AGP UHP and HKS Bov, Catch can, samco lower ic hose, maxxfab 3''catless dp, mopar cat back, eibach sportlines, 18's, hids, eyelids, odyssey light weight battery
SRT-4 #'s - 298hp 369tq @15psi on 91 pump gas.
Cobalt SS #'s - Never been Dynoed.
Edlt: Cobalt was on Race gas, SRT on Pump. During Race.