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      07-18-2018, 10:16 PM   #8
chris_mauck
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United_States
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Drives: 2016 M5 | BM3 | GTC Cat-Back
Join Date: Jul 2018
Location: FL

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Quote:
Originally Posted by ssgm1x View Post
Your downpipe is probably a little short. It happened to me.... They had to loosen my entire exhaust and push everything forward toward front of car about 2" so i could feed more DP into the midpipe to create a better seal....Understand?
I understand what you are saying, but the midpipe is completely seated over the downpipe. There is no more room for it to go. I think they are just slightly different shaped which causes there to be a small gap for air to leak out. I am taking it to a shop Friday to see if they can weld on a new midpipe connector and use a larger band clamp to get a better seal.
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