Saw this post pop back up, and I have to say, even after 8 months and several road coarse track days, my Pedders OE end links are still super quiet at all angles, speeds, and bumps.
I recommend them to anyone having banging and popping suspension issues.
2010 Summit White Camaro 2SS/RS M6 LS3
Pfadt Sway Bars and Lowering Springs
Pedders Quiet OE adjustable end links
CAI with ADM Race Scoop
Corsa Cat Back Exhaust
Kooks 1 7/8" Jet Hot Coated LT headers and hi-flo cats
LSR Short Throw Shifter
Red Brembo Brakes, SSBrake lines, Castrol SRF, and Hawk HPS pads
Tuned by Torq (405 RWHP and 389 RWTQ)
Summit White GM GFX kit