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The steps listed below are not for any street driven vehicle and will cause you to fail emissions.
I do not recomend or condone violating vehicle equipment laws!!!

WARNING: DO NOT ENTER TANK WITHOUT PROPER EQUIPMENT. FUMES MAY CAUSE DEA<img SRC=


 


Ok, since the Explorer has went to a Sunday Driver, Show Truck, and Drag Strip Toy.  I decided to clear out a little more exhaust flow.  On my Explorer there are 4 catalytic converters.  One just after each Exhaust Manafold and then two in line after the collector.  So I thought that cleaning out the last two would free the exhaust tremoundsly.  Plus leaving the two previous cats would help keep the exhaust clean.  Plus with my Chip burned and truck tuned on the Dyno by Brian at Apten it is still exhausting clean and stoch.

Here are the two cats after they were removed.  I can clean out the left one through the collector.  It is a very large hole and I can fit my hand in the hole.   Now the one on the right would be hard to clean out through the outlet, so...

I decided to cut a square in the top of the cat and clean it out though there...

I had to fold the 6 tabs back on the heat shield and then I was free to cut away...

There is the easy access hole I created...

I began the job of clearing it out.  Using a BMH (Big Metal Hammer), I cleared out all the debres in the cat.

There is a clean open flowing cat...

Now that they are both cleaned out and clear.  I welded the cutout back on...

It is back on and holding air under pressure with soap water on it.

Hello, Hello, Hellooooo.   It is free and clear for exhust gasses to excape and free up a couple more pony's.

Everything back together and looks stock for visual inspection.

I drove arround and it has a nice mellow sound to the exhaust now.  It is not raspy or rice sounding at all.  Comes close to approching V8 sound.  I is not too much louder just more mellow and low tone.