Could also be rattling on that brace that goes across the bottom. If the mid-pipe ends up resting on there it could cause this, which can happen during the exhaust or downpipe installation.
I think this is all covered by existing threads, but FWIW
I chose Active Autowerke MAPerformance for my 2021 3.0 Premium. I wanted a catted DP that did not cause a CEL. My original choice was actually Active Autowerke due to their 5" internal diameter popularity but it was backordered and the...
you should get some spacers though. They make the stockers look 10x better. They’re also dirt cheap.BMS has em in stock.
Or Don’t. It’s your car. :)
Great question.
MHD is a flash-based tuning platform/company. OTS is an initialism for off-the-shelf. It's not a custom tune made for your car, but one that pretty much is ok on everyone's car given a set of base mods. These required mods (usually referred to as stages, because video games)...