both are full systems. i have a FMF right now that i havent put on yet and have a option to get a HMF dual. which has a better sound? which makes better power? i want a nice fairly loud system but not unbearably loud.

im wantin a loud full system exhaust. Looney tuned, Muzzy, Alba, 2 Bros, HMF. i have stuff i can throw in with trade or buy outright. i have 8000k HIDs, machined clutch, CDI and i have 4 laptops. reply here or text 910-580-1879