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Dinan High Flow Throttle Bodies & Velocity Stacks - E39 M5 2000-2003

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  • Regular price $4,242.57
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The M5 stock throttle bodies have each been carefully bored to a larger internal diameter for futher improvement of air-flow and immediate throttle response. The factory velocity stacks are also replaced with larger diameter spun aluminum units that have been carefully shaped and sized for optimum performance throughout the engine's operating range.