Mbrp race catback

[Oxford white 10r80 gt]

I installed the mbrp race catback on my 18gt last night and around 6k rpm I hear a raspy tone/noise coming from just the right muffler area but not from the left any ideas what I can do? Otherwise the exhaust seems to be just fine it wasn’t installed on ramps so not the best room but I made it work.

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[VinnAY]

with the car running get under the muffler and listen and feel around the connections for a leak

 

[Oxford white 10r80 gt]

with the car running get under the muffler and listen and feel around the connections for a leak

I was gonna try that but it has some volume at idle I was considering taking it to a shop but I would rather do it myself any other tips for me? Also what’s the best way to really have the tips hang high in the valence? Mine seem good but I’m not sure how high up they should sit.

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