BMW X3 M40i catted vs catless down pipe ! Install and exhaust clips

[@Mohamed_Khalil223]

So the catless downpipe is the second one right?

[@hanzhang8105]

Does cel come out?

[@keldanex]

Yea

[@StatenQ]

@@keldanex did you get a tune for downpipe to remove the CEL

[@keldanex]

@@StatenQno would have to ship out ecu

[@ekamvirk7599]

@@keldanexmhd sells a bench unlocker to do it at home if you have a pre femto ecu

[@forward6806]

Is catless too loud for everyday usage? Any drone? And what about smell?

[@keldanex]

Oh yea it smells, not droney at all

[@alexj6584]

it won’t drown but that smell will piss tf out of you it gets in the cabin when in traffic or at red lights it’s awful

[@degenlay-nq5ky]

I’d had a FI exhaust downpipe on mine for a year now , I love it. Transformed my car

[@speedstarz_media647]

What downpipe?

[@alexj6584]

vrsf