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My 2020 did have the resonator. After I put my Corsa system on I went back later and ordered Corsa's resonator delete pipe. Removing the resonator made little to no difference at all. Probably why the factory stopped using them.
I discovered mine was related to the park brake. If I only lightly put my foot on the brake when starting, it didn't make the pop noise. I turned the auto park brake off in Uconnect.
Ordered and Unlocked one from HP Tuners and shelved the original.
FYI when you disconnet the battery. Your Uconnect may(will) come up stupid (options missing). Don't panic, just give it a few hours to figure everything back out.
Lots of causes for what people call "HEMI tick" anything from fuel injectors cycling (normal) to lifter eating cam lobe (Bad & rare).
The Internet is good and bad, HEMI tick hysteria is an example of bad...
Get Corsa Sport if you want to kill drone. With the exhaust pointing right at the trailer there probably isn't anything you can do to quiet that down except for the stock system.
I have the Corsa and while cruising down the highway I don't even hear it. No Idea about towing yet. My guess it...
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