2011 BMW 550i F10 Catless Downpipes Warm Start/Revs

This is my 2011 550i BMW f10 that I just put my Catless Downpipes on with a muffler and resonator delete. Slammed on Coilovers with 20 inch M-Sport rims. Everything I do to my cars I try to stay in a reasonable price range. Most of my items come from eBay and have never gave me any issues. Below I will link the Downpipes and Coilovers. I plan to make more DIY videos on in the near future for things like cold air intakes through the grilles , as well as JB4 install.

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https://www.ebay.com/itm/Stainless-Do...

https://www.ebay.com/itm/Coilovers-Ki...