If you’re looking to get just a little more power out of your CT4-V Blackwing, the JB4 Tuner with our custom maps could be the perfect option for you!
Darren from Ohio picked up a beautiful CT4-V Blackwing M6 car with the carbon fiber appearance packages. We added our White Belt mods, JB4 Tuner and set him up with our custom maps on the dyno, and he ended up with 475 peak whp. Now the car has a powerband that matches it’s handling and looks!
