Active Autowerke S63 N63 GESI Catted Downpipes | V8 BMW X5 M and X6 M X5 X6 550i 650i Year:For G body cars This variant includes a 5"

This variant includes a 5" high flow Active AFlow catalytic converter that will NOT produce a CEL

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we had to apply some trade secrets to our mid pipe design many of our competitors have done the same

Active Autowerke S63 N63 GESI Catted Downpipes | V8 BMW X5 M and X6 M X5 X6 550i 650i Year:For G body cars This variant includes a 5"NO PERFORMANCE TUNE NEEDED. Active Autowerke is proud to bring you our hand made Signature S63 N63 Downpipes for the twin turbo V8 BMW X5M, X6M, 550i, 650i, X5, X6 models. Please note that G body vehicles with the N63B engine will need a different version of the downpipe if you are buying a downpipe that also fits the F body cars, it will not fit your vehicle Active is always doing R&D to ensure that you get a product with the proper fit. A turbo