thanks bigburg.. they are great im sure that you will like yours as well. mine gave me a good power increase and a very nice mpg increase. my motor is the 4.6L. i bet the power increase on the 5.4 is real nice.
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gryphon programmer with custom 87 tow & 87 performance tunes. MBRP 3.5" exhaust. volant cold air intake. 305 55 20 nitto trail grappler on 20X9 MAMBA M3 wheels
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