Also look at HTS. A good buddy of mine has one in his 5.9 and puts 800+hp to the ground and pulls/races/dynos and hasnt ever had a problem.
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2005 White 2500 QC SB AT; Leveled, 35" KM2s, exhaust, intake, gauges.
[boogy886] 8:17 am: beer let me be your daughters gay friend then