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Cheryl, thanks for your comments. You are correct in that I do know a station which doesn't worry about the visual, though I do understand the DMV/BAR is considering making the stations install a video feed so 'someone' in Sacramento can 'check things over'. Since my daily driver Alfetta is a '75 I've not been there for awhile, so I'm not up to date, but willing to take my chances.
The main reason I'm trying to figure out about the catalytic converter is I have two Alfetta GT Euro exhausts: 2 used Ansa rear portions, one set of very used front and center exhausts and one set of NOS Ansa front and center exhausts.
The used system is on my '75 Alfetta which I'll be replacing the engine in soon. IF I have to have a cat on the other Alfetta where the TS will eventually go (it came with no exhaust) I'll put the NOS parts on the '75 when switching engines. I'll then install the used system on the 'other' Alfetta. Since the resonator is shot (no one seems to make one) I'll then have the cat installed in place of the shot resonator.
However...if I don't need one, I'll install the NOS system on the 'other' Alfetta and find some sort of resonator for the old system or just have a straight pipe welded in to replace it.
Yes, the 'other' Alfetta came with a cat, they all did, but I have no idea if the TS which came from an '85/'86 Alfa 75, which was never imported here, had one or not. I'm sure, at least at that time the Euro 'smog tests' weren't nearly as strict as CA's. But if the engine is very clean burning by design, I'd prefer not to use a cat.
I'm assuming I will need one and as much as I'd like to get one for $100, I've looked at the very compact Miller cats. Not inexpensive but they have one which is 10.5" long x 4" diameter. The Alfa resonator is 9" long x 4" so the cat should fit nicely where the current heat shield is. Miller is also working on one 6" x 3.5".
I hate lumps hanging down from under a car both for aesthetics but also for being able to maneuver over speed bumps.
Biba
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