i put ufo's on my dale walkers 4-2

[mattmullins]

So I bought so ufo mega phone's and put on my dale walkers, the walkers was 1 3/4 id they was fine not loud when riding but when I let somone ride it so I could here them going down the road souded great different than when in was riding it , and with 150 mains in allways seem to be running a little fat, now that I switched to ufo's my plugs look lean the ufo's have 2 1/2 id. Dales says those mufflers was the best fit ill find out cause I'm gonna dyno with both.