had them on a f-250 and they were loud as ! and they didnt wear real great.. but if 400 is for all i would jump on it
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2007.5 Megacab dually, 6sp std, Kore Chase, H&S 5inTBE, EGR delete, EGR Cooler Delete, Bullydog Pmt, TS MP8, AFE Mega cannon intake, valair DD 3600, 35 inch toyo mts,
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