Mach 1 Resonator Plug

[Iamchris]

Does anyone know what this is all about? Capping off the resonator plug...
What kind of sound does it produce? Can it cause any damage?

http://www.mach1registry.com/products/

You will find it at the provided link, 40% down the page.

 

[34Ford]

This ugly tank of a thing is there to satisfy the goverments limits on intake noise, so I have read.
I plugged mine with a rubber plug from Lowes and didnt notice any change, noise or performance.

Only reason I did it was to get rid of the unsightly mess.

But now I have the Street Smarts CAI installed. Much better.

http://forums.stangnet.com/showthread.php?t=453775

 

[Kurt2002]

I plugged my also, no difference at all, just cleans up the engine bay a little.