Weird Noise Under Power w/New muffler

Nukewater

New member
Hey Guys, I have a 1994 4runner V6. Its new to me, and I really like it. However, I didn't like how I could hear the front fan over the stock exhaust :)

I had a Super44 on my Tacoma that i really liked, so I figured I'd put one on this truck. I noticed the cat had been removed already, so I put the new muffler in the cat's location. I had ran it with no tailpipe after the muffler, but realized that was an obnoxious mistake. So I put about 2 feet of tailpipe with a turndown tip at the end, just before the axle. The sound is nice on idle, and at cruising rpm, but as soon as I put power to it, it has this weird sound on TOP of the exhaust note, kind of like staples in a tin can, underwater, kindof thing.

Any idea's what might cause this?
 
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I used to have a blowmaster super44 on my 3.0 and to tell the truth I didn't like it. If its just in the exhaust note (and not coming from the engine) than the muffler is maybe coming apart inside? I have seen this with some turbo style magnablows. Post a video of the sound if ya can.
 

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