I really don't understand why everyone hates AFM I have it and I think its great for my longer trips. I have a muffler delete and the I can barely hear anything when it changes is over. The only time I really notice it, is in between stop signs, again its just a slight sound difference. But I don't know maybe my muffler shop did a better job than some. As far as transition between 4 and 8 yes I can feel it, but I also feel my wallet sigh a little too lol.
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