80 Whistles... why?!

['74 UA FJ]

My 91 has never whistled either.

...looks like I needz to install me sum deco-ayshun. j/k

That's because you have a different engine.

 

[-Spike-]

I've had 3 that all whistled. Two friends each had a whistler. It's pretty common.

-Spike

 

['74 UA FJ]

Mine started whistling when I ripped the resonator off on a rock...