BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST
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Catless DP vs Catted DP
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Catless DP vs Catted DP
Looking to get a DP for my 2019 440i, what are some of the pros and cons between the catless/catted downpipes? Or is there virtually no performance difference? New to all this and appreciate any input
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