Picking up 40 hp with a cutout means you have too restrictive a muffler. I had the same prob running through a Flowmaster...switched to a Magnaflow and life is better...
07 Z71 4x4, 6.0L, 3.73s, Turbonetics T76 @ 10 psi, 75 shot, Snow meth kit, PLX DM-100 wideband gauge, Nelson tune, Comp 212/216 .557/.561 114 lsa, 60# injectors, Yank 3000, 4L80E , Magnaflow - dumped, e-cutout
Line-X, Pace Edwards Full Metal Jackrabbit bedcover
Whenever I dynoed mine, I gained something like 13-14 hp.
2000 ECSB 6.0L
TORQUER V2 CAM ● COMP 918's ● 7.4 HARDENED PUSHRODS ● K&N SERIES 77 CAI ● 80mm BBK ●PACESETTER LT HEADERS AND 3'' ORY ● SUPER 40 FLOW ● 3000 STALL ● 4.10s ● BUILT 80e ● VORTEC PERFORMANCE TUNE ● MSD 8.5mm PLUG WIRES● ELEC. CUTOUT ● UD & ALT PULLEYS ● FLEX-A-LITE E-FANS ● 22" CENTERLINE STINGRAY III's ● LUND FIBERGLASS TONNEAU ● 2" LEVELING SHACKLES ● 12K HID LOWS & FOGS ● LEDs ● DEBADGED ● WHITE-FACED ESCALADE GAUGES ● KICKER 450.1 ● 2-CVR 10's ● DS60's ● K693's
so you made what like 213-214ish?
2006 SilveradoLittle Black Bitch
i was using lt headers, 3"y pipe, and the stock 3" diesel muffler. worked ok, but went with a 4" magnaflo and felt my l92 cnc ported heads(flowing about 380) breathing way better.
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GLADIATOR 6.0 2007 nnbs chevy 13.2 1/4mi. busting my drive shaft at 106 mph before the finish line
CHEATER 6.0 2000 gmc xcab lq9 fully bolt on 12.52 motor and 11.62 n2o.
http://youtu.be/UV-I1mlKcTI
dang didnt know a cutout made a difference
THEY CALL ME G.
AZRAEL
2017 RZR 1000 2 SEATER
2023 RZR 1000 XP 4
2008 LTZ DURAMAX 3500
2023 300S 5.7
2023 BUICK ENCORE[/B]
The difference between winning and losing, is having a 2nd stage.