ZZP Catless 2.5" downpipe?
#1
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Join Date: 01-02-05
Location: Appleton, WI
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ZZP Catless 2.5" downpipe?
Dose anyone know how much of a gain i would get by adding this to the modds i already have? Im going no cat cuse the gm stage 3 pcm dosent turn on a ses light if you dont have the rear ho2s sensor not pluged in.
#3
8 to 15 hp increase .... go catless
Mods: Injen CAI, ARK 2.5 inch catback exhaust, downpipe w/o cat, GMP Extrude Honed Header, meth injection walbro fuel pump, stage 3, 42# injectors, 2.7 pulley, Spec stage 2 clutch, Eibach sportline springs, Eibach sway bars, ca traction bars, DC front and rear strut bars, 3 gauge pod piller, plx wideband, autometer boost gauge, oil pressure gauge, and water temp gauge, halo projectors, 12000K hid kit, 5% tent... and more mods to come!
Mods: Injen CAI, ARK 2.5 inch catback exhaust, downpipe w/o cat, GMP Extrude Honed Header, meth injection walbro fuel pump, stage 3, 42# injectors, 2.7 pulley, Spec stage 2 clutch, Eibach sportline springs, Eibach sway bars, ca traction bars, DC front and rear strut bars, 3 gauge pod piller, plx wideband, autometer boost gauge, oil pressure gauge, and water temp gauge, halo projectors, 12000K hid kit, 5% tent... and more mods to come!
#5
you dont need emissions on a new car until you sell it to someone and then they have to get emissions for it.... just keep your stock downpipe just incase
Mods: Injen CAI, ARK 2.5 inch catback exhaust, downpipe w/o cat, GMP Extrude Honed Header, meth injection walbro fuel pump, stage 3, 42# injectors, 2.7 pulley, Spec stage 2 clutch, Eibach sportline springs, Eibach sway bars, ca traction bars, DC front and rear strut bars, 3 gauge pod piller, plx wideband, autometer boost gauge, oil pressure gauge, and water temp gauge, halo projectors, 12000K hid kit, 5% tent... and more mods to come!
Mods: Injen CAI, ARK 2.5 inch catback exhaust, downpipe w/o cat, GMP Extrude Honed Header, meth injection walbro fuel pump, stage 3, 42# injectors, 2.7 pulley, Spec stage 2 clutch, Eibach sportline springs, Eibach sway bars, ca traction bars, DC front and rear strut bars, 3 gauge pod piller, plx wideband, autometer boost gauge, oil pressure gauge, and water temp gauge, halo projectors, 12000K hid kit, 5% tent... and more mods to come!
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