I did the muffler delete and I got so sick of the drone! It was bad from 1900 to 2200 rpm's. At first I thought I would get used to it because the sound was so much better over stock but after some time I just didn't like it. So I went full headers and cb system and now I'm a happy camper.
2010 Cammed & Blown Inferno Orange 2SS/RS LS3 6M
Maggie TVS 2300 8 psi/1:1 overdrive cogs/3.6 pulley/LPE GT-14 cam/BTR valve train kit/KB BAP/LPE ZR1 63lbs injectors/NGK TR71X plugs/Roto Fab CAI/Kooks LT's & cat deletes/Magnaflow x-pipe & mufflers/BMR springs/carbon fibre stripes/20% tint
Cam specs: 223/235 duration @ .050 lift - .610/.620 115.0 C
640 rwhp 603 rwtq
Built and Dyno Tuned by Davenport Motorsports
Wheels: Rohana RC7 Gunmetal Metallic 20x10, 20x11 Super Deep Concave + 275/40, 315/35 Nitto NT05