| I'm using gen 49d right now and it seems to do the trick I've also heard of howes too. I'm using the gen 49d and I'm happy with it.
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2005 lly Chev 2500 hd ls crew cab
edge ez 65hp chip
mbrp 4" turbo back ss
chrome billet grille
285-75-16 BFG KO's AT
16" Ion Wheels 165 series
s&b intake kit |