Quote:
Originally Posted by bmw540san
Not sure about fit.
The 3.0 exhaust tubing ID before muffler is probably smaller than 4.4 which would mean the 4.4 mufflers inlet would not bolt on 3.0 tubing outlet.
Just guessing though.
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The 4.6iS cans I got have 10mm larger pipes before the mufflers, but the flanges are the same diameter. The mufflers themselves look exactly the same as the 3.0i, other than the tips. Thought that was pretty odd myself.