Well after a couple back surgery's and vertigo so bad i cant walk more than 5 feet in a straight line i decided to trike.went with the Frankenstein kit on my 04 electraglide classic.7 degree trees and all.anyone out there who has the frankie .i want to let you know that you can use your fl mufflers but you have to use the s pipes you get with the kit.ill post pictures.a little fab work with a mig and they look great.