buddies stock 07 4x4 quad cab..16.0 @ 84
buddies intake/mufflers, hypertech tune, 05 2x4 reg. cab 15.2 @ 89
buddies intake/headers/6.1l cam, 2005 ,tune reg cab short bed.....14.2 @ ?
so it seems they respond well to mods and the right tune
buddies stock 07 4x4 quad cab..16.0 @ 84
buddies intake/mufflers, hypertech tune, 05 2x4 reg. cab 15.2 @ 89
buddies intake/headers/6.1l cam, 2005 ,tune reg cab short bed.....14.2 @ ?
so it seems they respond well to mods and the right tune
not too bad but like has been said if they had better tuning support it may be better.
03 yukon xl:intake, longtubes ory,performabuilt lvl2,circle D 278,tune, tint, lt1 fans
92 z28: lb9 air foil vette servo magnaflow catback adjustable pan hard rod Lcas lcarbs
86 trans am: lm7 hot cam th350 3500 stall