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Tubular headers look nice, especially with a shiny finish, but I wonder about the gains? I have seen people experiment with a whole custom system hooked up to an LS2 V8, and although it had a larger diameter, didn't produce any dyno improvement, just made the car louder. Eventually with a 3 inch system they made gains, but I'm wondering about the whole cost/benefit angle on this mod? I think ECU tuning offers more HP for the $$$.
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