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i have a 3.5x22 echo tip on my truck shortly after the muffler (flow 40 DF). it sounds a lot more rumbly but that could be from the cam also. it did increase loudness and overall tone. my previous set up was a turndown and i loved it but wasnt loud enough...
i have coming of the first cat 2 1/2" pipe into a flow 40 DF w/ a 45 degree bend and the tip. it sounds pretty good but my clips are when i had then turndown on it only...
hey guys, i got a 90 f-150 300-6, ran duals; cut rear cat off, 2 1/4 pipe to glasspack, Y it off comn out the sides w 3.5" tips, sounds decent, nice idle rumble.