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[firehog383]

I'm curious about sound difference between the two. I had a D & D fat cat on my last street glide and liked it but it was a built 114 CI engine, My SESG I'm planning on leaving it stock except for exhaust maybe change cam later. I have a friend with a D&D fat cat performance baffle and ghost pipe he had ceramic coated with only 500 miles on it he will sell me. His wife said it was too loud.

[SDCVO]

I have the D&D's with the ghost pipe on mine with a SERT and a good tune (nothing else) that dyno'd at 95hp and 120tq. Yes their loud but sound fantastic and Hard to beat that performance...Fulsac's are great but IMHO not quite the same sound (which I guess too some people is a good thing)...

[Heatwave]

I've had both setups on my 2010 SE Ultra. I ran the Fullsacs with Performance baffle. Sound was definitely better than stock and definitely ran better than stock. I switched to a D&D FatCat with the unwrapped performance baffle and the performance after tuning was substantially better than the Fullsacs but it was LOUD, REALLY LOUD. I changed the baffle to a wrapped performance baffle and the sound is now just right (for me) with no loss in performance. Louder than the Fullsacs, quieter than the unwrapped D&D performance baffles but with all the performance gain of a 2:1 but with the "look" of a 2:2 with the ghost pipe.

Its all a matter of what your looking for. The Fullsacs are an excellent upgrade with a nice improvement in performance over stock. If you're going deeper into the engine with headwork, cams, larger TB, larger injectors  etc., you'll probably be more satistified with the performance of a D&D Fatcat. If you're just planning a cam upgrade and exhaust you'll definitely be satisfied with the Fullsac setup.

You'll want to ask your friend if the Performance baffle in his Fatcat is the "wrapped" or "unwrapped" version. It will definitely make a difference in sound.

[firehog383]

Thanks for the help, I liked my Fat cats for a performance built motor, but wasn't sure if there would be any noticable difference in performance if all I'm doing is exhaust and tune.

[SDCVO]

Its not like you have a stock 96incher... The Fatcats will make that baby scream..