BEST Cold air intake?

[pigpen23]

I'll agreed with what everyone else is saying about the S&B. I have the S&B installed on my 6.2 (Silverado RST) and it makes a lot of noise, especially when you get into the skinny pedal. I love it. I'll mention that with the side plug (rubber piece that's next to the fender) installed the noise isn't nearly as noticeable as when the plug is removed. I didn't notice any MPG increases, but then again I have a heavy foot and don't really care about MPG. I have the Borla S-Type exhaust and it adds the perfect amount of noise for my liking...cold starts are fairly aggressive.

 

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[Hydguy]

Can AT4 have a cold air intake system installed? I just received the AT4 Sierra 2019 from my father. I heard that installing cold air intake will increase the car's HP and make more noise. And is K&N currently the best cold air intake?

Almost all newer vehicles, including the AT4, have CAI from the factory.
Colder air is drawn from outside the the engine bay, instead of hot air from inside the engine bay

 

[cva617680]

Has anyone installed a Cold Air Intake on a 2026 GMC 1500 AT4X? Per the S&B customer rep they have not verified that their system will fit or not. But on some dealer websites they say it will.