drop in..... just dont floor it until you have it tuned again.
drop in..... just dont floor it until you have it tuned again.
2004 Silverado:THELSX L.M.E LSX 454 C.I tuned by Llavero 11.1 N/A @121 MPH
2004 Sierra:GUNSLINGER L.M.E LSX 427C.I,Twin Borg Warner/Forced Induction 76mm, th400, Ford 9" with ladder bar
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