I had ordered the SR springs previously (also have a 2011 V6). Went to get them installed and realized I needed new strut mounts as well. Apparently the SR springs won't fit in 2011 and newer mustangs without the mounts. Ended up returning them and getting Eibach Pro springs, which fit perfectly (with camber bolts). Hope you don't find yourself in the same dilemma (or maybe you ordered the mounts as well).
hmm that's strange. I have read multiple reviews of people using SR Springs with stock strut mounts (fingers crossed they hold together). Powerwhee is using them with no issues and I've seen a few AM videos with SR Springs added on stock mounts too.
However, I will be ordering Koni STR.Ts with new GT500 Strut mounts next. I am just on a tight budget for this build and want to do it in stages. I'd rather just add in the new Shocks and Struts and not have to deal with this part of the suspension for a while.
I'm on the fence with the Panhard Bar, but I probably will just buy it later too.
2011 Kona Blue MT82 V6 Mustang Pony Package 3:31 Gear Ratio, Interior Upgrade Pkg, Security & Shaker500/Sync
Mods (in order of installed): AM Bama SCT SF3 Tuner w/ 87 Hybrid Tune, Airaid CAI, Hurst Billet Plus 2 Short Throw Shifter, Lethal O/R H Pipe w/ Stock Exhaust, Blacked-Out Tints on Rear Windows, Full Ceramic Tint on Front Windows, Metra Touchscreen Dash Adaptor, Single DIN Head Unit, 6.5'' Component Speakers Fronts, Stock Rear Speakers, 10'' Sealed Subwoofer, 4ch. and 1ch Amplifier. LED licence plate lights, LED interior dome lights, FRPP/Dynamic shocks and struts, SR Performance lowering springs, GT500 Strut Mounts, BMR Adjustable Panhard Bar, BMR LCA's, BMR Relocation Brackets. Rear Seat Delete.