i have a 1984 300SD, i was wondering what side exaust pipe i need to use, is it a 2.5" or 2.25" or do they use a different system? i need a perfect fit because i don't have a welder and i am too cheap to take it to a muffler shop (they take out a whole nother cash register with a benz). also is it legal to do side pipes (long story why i am losing my exaust system) thanks

ned

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198? 300D ???K - Future DD
1989 300TE 285K - traded in '12
1984 300SD 186K - Sold in 08
1978 300SD 330K - Died in 05