I thought the Euro spec 5.6 m117 was different from the us 5.6 m117? Wasnt there alot more to the mix than just different headers/exhaust, such as compression and emissions BS? That would be quite nice to get that power from just exhaust....but sounds too good to be true.
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93 300D 2.5 Turbo, Black/Palomino 273K
09 E350 Black/Black 41K
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