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I'm considering two mods to my 100% stock '16 2SS M6 Vert. A Heartbeat and the factory GM CAI.(which doesn't seem to be available quite yet, but soon) First, would you recommend the GM CAI in conjunction with the Heartbeat? Second, the GM CAI is rumoured to come with a GM factory tune, if I'm going to install the Heartbeat right after the GM CAI should I just decline the GM factory tune or accept it knowing full well days later the Heartbeat provided tune would be installed. (And this pre-supposes I want to only use the Heartbeat tune (not a custom tune) so I will be able to have Magnusson's powertrain warranty in lieu of GM's)
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