Join Date: Apr 2018
Location: SW New Hampshire, USA
Mentioned: 29 Post(s)
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Just a FYI all caps is considered yelling or for emphasis.
If you got hit in the rear, yes it is possible that the secondary cats and primary cats were damaged. A leak SOMEPLACE 😉 is very probable.
It may be simple like a sheared or loose bolt, or much more damage. Working your way forward inspect for a leak at every point. Even a hanger could have ripped a hole in the piping.
If somebody "Vapes" the "smoke" can be useful in locating a leak.
Hope this helps and welcome to the forum! cut n paste for any new folks
Please go to "User CP" and update your location. Also, you can add your signature with your car info. This way the forum members can make better suggestions to any questions you may have. Just a suggestion.
Welcome to the forum!
2018 AWD Q50 RS, Graphite Shadow, NO DAS, 255/40ZR19, Pilot Sport 4S, Stillen rear Anti-sway Bar on stiffest, AMS HE, Fast Intentions high flo cats, resonated X-pipe & CBE, VS Forged VS02 19"x9" +33 Slate Gray rims (20 lbs), AMS Intake, Z1 LSD, IPL badge, AMS badge, AMS expansion tank, EcuTek remote tune from Seb at Specialty-Z, Z1 HKS BOVs, AP Racing BBK Radi-Cal II calipers & J hook 2 piece rotors, SS lines, DOT 4, Level 10 Torque converter & transmission