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Does anyone have any idea if keeping the stock mid pipe with test pipes , aftermarket y pipe and the Infiniti axle back would cause major rasp due to the stock mid pipe ?
 

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2017 Q50 Red Sport 400 RWD
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3.7 NA or 3.0t?

I say all or nothing.
 

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I have AMS LDP's and Infiniti resonated Helmholtz axle back and stock in between. It is loud, but zero drone. Sometimes it is too loud, and I wish it was quieter. In a parking garage or tunnel is nutz. I think I'll too old for the volume!
 

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I have AMS LDP's and Infiniti resonated Helmholtz axle back and stock in between. It is loud, but zero drone. Sometimes it is too loud, and I wish it was quieter. In a parking garage or tunnel is nutz. I think I'll too old for the volume!
I’m looking for zero drone and close to stock decibels. I just ordered Megan ldp and y pipe


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I’m looking for zero drone and close to stock decibels. I just ordered Megan ldp and y pipe


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I hope you have better luck with the Megan y pipe than I did. Mine broke at the flex section in under 3k miles. Seems like a common problem with them.
 

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I hope you have better luck with the Megan y pipe than I did. Mine broke at the flex section in under 3k miles. Seems like a common problem with them.
Crap. I didn’t hear anything about that in the reviews. Did that increase sound much ?


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It is about 5 to 10 percent louder with the y pipe vs stock.
 

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2018 Q50 AWD Red Sport
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I’m looking for zero drone and close to stock decibels. I just ordered Megan ldp and y pipe


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A combination of the HKS resonated LDPs and the FI resonated CBE has filled that criteria for me quite well. Expensive but worth it, IMHO.
 

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A combination of the HKS resonated LDPs and the FI resonated CBE has filled that criteria for me quite well. Expensive but worth it, IMHO.
That would be the most recommended. Hoping it doesn’t get to it. Like you said expensive lol


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