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January 17, 2024 By Michael DeBanto

Tapout Tune of the Week! – Dave’s CT4-V Blackwing JB4 Tune

Dave dropped off his sweet M6 2023 CT4-V Blackwing with a wicked cool metallic forest green wrap for our White Belt Package plus a Gigs ported throttle body with the JB4 tuner. He was interested in seeing the kind of gains the JB4 could produce, so before installing any modifications, we strapped Dave’s car to the dyno to see what kind of power his car was putting down. To our surprise, this CT4-V Blackwing baselined as one of the highest we’ve come across, making 432 whp.

After installing colder Brisk spark plugs, Gigs ported throttle body and the JB4 tuner, Dave’s car produced a respectable 488 whp! Those are some impressive gains for a few bolt-ons!

#TapoutTakeover   #WontTap   #UnderPromiseOverDeliver   #BreakRecordsNotParts

Dave's JB4 Dyno Chart

Filed Under: Tapout Tune of the Week

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