I have had zero issues with mine. admittedly, only 10K supercharged miles and all street miles but abolutely zero issues with the engine so far. I think a good tune goes a long way to keeping the L99 and the A6 tranny happy!!! Ted and his crew at JRE are in charge of that for my camaro.
2010 SSRS, RJTC, L99, Maggie 2300 SC, 3.4" pulley, Roto-Fab CAI, Dynatech Supermaxx LT headers, Dynatech High Flow cats, Corsa Cat back exhaust, Elite Engineering catch can, MSD wires and Jannetty custom tune, JRE custom diff w/ posi mod, 3.91 LPE gears, Pfaht trailing arms, Pfaht trailing arm and Diff bushings, drop springs and sport sway bars front and back, Fesler dual guage pillar pod w/ AM Cobalt Boost and A/F guages.
LS3 conversion, LPE dual fuel pump, Upgraded injectors, JRE Maggie Stage 2 upgrade kit, JRE smooth Idle Blower cam. Looking for 700 RWHP in the end.