I want to swap the center muffler from my totaled 91 300e to my 88 300ce. Although the part numbers are different, the rear muffler numbers are the same. Since the sedan is about 4 inches longer than the coupe, I am wondering if the only limiting factor between the center mufflers is the length of the pipe. If this is correct, I imagine a muffler shop could on a cost-effective basis make the necessary length adjustments so it fits. Would the cat fitting differ? Thoughts?
Thanks.
Richard

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87 300e (white/black; amg body kit)
88 300ce (red/cream; amg body kit)
93 300ce cabrio (white/blue/blue top)
93 300ce cabrio (black/grey/black top)
98 ml 320 (totaled @ 137,000 miles)
99 clk320 (black/grey/black top)