call them but theres no difference. they all come with the same bracket and all there catch cans are the same. I think they list them different so they dont get calls asking if this can will work on this car.
2012 2SS/RSM6 Silver with Painted CarbonFlash rally stripes,3.91gears, NewEra ported TB,OTR, HeritageGrill, NightFury cam, Melling296 Oilpump, KatechCR-5 chain, Cloyes LS2HD tensioner, PAC 1205x springs and Comp Cams trunion upgrade. American Racing1 7/8"LT headers w/cats, and TWM fullShifter BMRsways,trailing arms,toe rods, delrin cradle bushings,BK039rear control arm bushingkit,front suspension bushing kit. Solo Mach XL exhaust 25% Fluidampr