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Old 11-23-2019, 04:18 PM   #2
bg305
01 Seal Gray 986 S
 
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Join Date: Sep 2019
Posts: 167
This guy did a great video:https://www.youtube.com/watch?v=MdCQg2tJFYg&t

There is another thread it was discussed in recently (see the end) : Fabspeed Exhaust -- Too Loud?

I have maxflow w/ headers but have not had supercup to compare.
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