2000 Chevy S-10 Exhaust is hissing

  • 2000 CHEVROLET S-10
Noises problem
2000 Chevy S-10 6 cyl Four Wheel Drive Automatic

So I cut the catalytic converter off of my truck and ran a straight pipe from where I cut it to the tail pipe and today (10/7/10) it started making a very loud hissing sound when I hit the accelerator instead of the loud rumble it usually makes. I checked to see where the cound could be coming from and didnt see anything out of the ordinary except for when I turned the truck off cmpletely the muffler started making a cracing/ popping sond from the inside of it. What could be the cause of the hissing and popping?
Thursday, October 7th, 2010 AT 2:25 PM

1 Reply

  • 48,601 POSTS
The cracking and popping is normal as it's the metal inside the muffler just settling from being hot. Just block the exaust at the end and you'll find where your leak is. Just wear a glove or a good sized rag to cover your hand.
Was this
Friday, October 8th, 2010 AT 7:54 PM

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