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#1
10-08-2004, 10:37 AM
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1977 450sl catalytic converter
NY state requires this be on car even though antique and safety inspection only, (no emmissions test). Can I take converter apart, remove rattling insides, reinstall and how does this effect performance, exhaust noise? Any suggestions appreciated. How to disassemble on car? Thanks, Abe G
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#2
10-08-2004, 11:39 AM
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I'm confident that it would have a profound effect on noise level. The catalytic converter on this car actually replaces the resonator found on earlier models.
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#3
10-08-2004, 12:26 PM
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1977 450sl catalytic converter replacement?
Dear Ron: Thanks for your input! would you recommend replacement with 1976 double muffler and pipes to replace existing system? replace with correct converter (1977)? other suggestions? Abe G
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#4
10-08-2004, 01:00 PM
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Well, I would just replace the cat, but I suppose you could save $150 or so by cutting an older style resonator into your system.
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#5
10-11-2004, 11:32 AM
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converter question again Bo one out thjere that can help?
I was advised to rod out the catalytic converter with 1/2 inch steel rod about 2 feet long to improve performance and eliminate old converter interior. However attatched pipes on this 1977 converter are longer (and offset)so I wont be able to "rod out" converter. I note that there are small screws around the converter edge. Can this converter by taken apart and platinum section be removed? Advice appreciated. Abe G [B]PS Anyone out there that can help?
Last edited by abe g; 10-13-2004 at 02:16 PM. Reason: no replies
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#6
11-02-2004, 09:30 AM
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around the cat
I simply took my car to a muffler shop and had them cut out the converter and replace it with a piece of exhaust pipe. It does not make it much louder but I do notice a little more pep on the take off. There is no emissions requirement in Texas if your car is more than 20 years old.
KAD 1977 450 sl
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