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Discussion Starter #1 (Edited)
I know this sound weird,but I get a "sick quacking"noise from my intake .

The car has a HKS VPC, VPC Intake pipe,and Super Mega Flow.

With the car in neutral,running,I "rev it" to 2000 RPM and back off.

Then I hear a "sick duck quacking" for 2 seconds then it goes away.

The noise just started and was not previously there.

It is also not the typical "air rushing" noise sound from eliminating the factory A/F box.

Any ideas on this one????
 

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