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Not the prettiest of weld jobs (been a while), but it works.
I suspected my old CATs were shot so I cut them out. One actually looked good, but the other was a rattle can of shattered catalyst. I bolted the remaining Y-pipe pieces back on, cut sections of exhaust pipe to length, and tack welded them on. Then I pulled the pipe again and finished welding the seams.
I also removed my rear resonator which made only a little difference in sound, but the deCAT made a bigger difference and it sounds great. No aftermarket exhaust needed.
With all 4 O2 sensors hooked back up and driving for a few days it hasn't popped any codes yet.
I've noticed no change in power, but I haven't tested it either. I drive slow and smooth usually.
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97 Discovery SE7 163K
Last edited by EricTyrrell; 01-30-2012 at 04:48 PM.
When you step on it (if you ever do) you'll notice a difference........it's starts out with a growl and eventually ends up sounding like a Kia-sewing machine. BUT, it will kick the crap out of a 4.0L J[H]eep from a dead stop. You'll now be able to de-carbon the piston tops with a good jab to the floor.....just watch out your rearview mirror.....hugh gray cloud, they'll be lucky to see what made the fog.
I did the same thing and either Spike drives like an old man or my motor puts out one more pony than his cuz I had to keep backing off while he was following me to the trails......
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97 SD Altai Silver
The three-position Lucas switch--DIM, FLICKER and OFF.
The other three switch settings--SMOKE, SMOLDER and IGNITE.
Disco DeCATed
