I actually just upgraded from stage 1 to JB4. Stage 1 was great for the money, if you want more power and dont plan on doing DP or E85 or any other mods it's a great way to add ~50hp in 10 minutes. I had it on my car for 4 months then decided I wanted to do other modding so I sold it and went JB4. It actually feels smoother at lower speeds in comfort mode. I have the EWG harness, Flex fuel wires, and ordered a DP and CP. I put in 2 gallons of E85 but I'm gonna log it and see if I can go higher.
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