After snorkel installation weird sound

[Steini]

Hi Jeepers,
I installed yesterday my rugged ridge amfib snorkel. First big problem is that the keeps in New Zealand have the battery on the other side, that means everything is a bit squeezed. Now the weird thing is when you drive in lower rpm you have kind of a vibration on the throttle and the engine sounds strange. Could that be because it not sucks enough air.
Hope anyone can help me out.
Cheers Stephan

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[jac04]

Did you change the intake pipe between the air box and the throttle body at the same time? I've noticed with my Mopar Performance intake that there is a low rpm range that has a little bit of a resonance. It doesn't sound weird or unusual, but it definitely gets a little louder.

If you are using an inlet pipe that gets rid of the stock resonance chambers, then that may explain the added noise.