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I'll be using 2 Vibrant resoinators in the back to replace the OEM muffler on the 50i. I am hoping that the sound will be good. I just could not decide yet if I should go with quad 3.5 inch staggered tips or quad 4inch staggered tips. Any sugestions?
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2022 BMW X5 m50i
2024 MB S63 on order
'18 X5 50i / '16 BMW F10 550xi / '13 BMW F10 535i / '07 BMW E64 630i / '03 BMW E65 745i / '95 BMW E34 540i / '89 BMW E30 M3
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