I actually haven't had any noise like that due to the bumps...but, I still need to trim my bump stop in the front, my instructions didn't call for it, but a lot of others did.Originally posted by phatsi
After talking with Andy at Progress....he stated you need to cut the bumpstops on the EP front and back and to get rid of the noises like clunking over bumps...not the popping noises from bad intallation....you need to oreder more of the noise insulation kit from them....they didn't include enough in the kit in the first place....the noise is just the springs hitting each other and the more insulation the less the noise.....
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