headers

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    Which brands actually sell good m54 headers

    Hi, my name is Durham and I acquired a 2003 z4 3.0i 6MT about 4 months ago. now I have some money saved up for mods, but I am very confused and lost as to which headers I should get for my m54. I was considering the ones from racing dynamics but I’ve heard both good and bad things about them. I...
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    • exhaust exhaust help exhaust manifold headers m54 m54 engine z4e85
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    • Forum: Z4 Roadster & Coupé
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