I tried the new part. I tore off in one track day due to my car being lowered. The exhaust just saws away at the rubber tube until it splits. I've just gone back to the old style vent and top off my diff after track weekends. Also, if you buy a vent get an extra just in case.
2013 GT Track Pack, Airaid CAI, BBK Throttle Body, Magnaflow Competition Catbacks, Eibach Pro Street S, Whiteline Watts Link, Trucarbon Spoiler, Ford Racing Short Shifter, Hotchkis Sub Frame and K Member Brace, Boss Brake Cooling Ducts, Stop Tech Slotted Rotors, Hawk Race Pads, Shelby Rear Strut Tower Brace, Steeda X Brace, Rear Seat Delete, Stillen Splitter, BAMA Tune.