i might be wrong but i have heard of
BADP
H&S
FLOPRO
PDI
thats all i know about
J-Mo
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Black 08 6.7 QC auto 4x4 sport, AFE stage2, PDI 5" TBE 6" tip, Edge Jucie/att., mp-8, egr delete, 4.5 fabtech, dual bilstiens, thuren trackbar, fox stabilizer, 35"toyo mt's, 20" black rockstars, tint, bed cover, srt hood.....more on the way