texas99Z28

I recently had SLP's LM1 catback system installed on my 1999 z28(A4) When in drive at a stoplight, I'm experiencing some vibration, and am now hearing squeaks around the rear hatch. My nephew has a 2002 Formula w/ LM1 and has vibrations also. Is this something normal with the LM1, or bad install?

bryan04h

iTrader: (2)

lift it up and make sure you don't have any exhaust leaks where the clamps are, see if all the bolts are tight as well

waldershrek

iTrader: (1)

Did the kit include any new hangers?

bryan04h

iTrader: (2)

i don't think the slp catbacks come with hangers..atleast when i had one it didn't come with one, it just reutilizes the existing ones

LS1>girlfriend

iTrader: (19)

i vote bad install, my LM1 never made a sound other then the beautiful sound of the world coming to an end.

make sure all the bolts are tight and nothing is binding.

slayerized6

iTrader: (12)

sounds like a hanger maybe loose or something. just tighten that **** up

dmcgill

My LM2 came with new hangars, and after the install I experienced the same vibrations/noise. Your exhaust is probably touching the chassis somewhere causing the noise at idle. That's what happened to mine...it just needed to be readjusted.

bryan04h

iTrader: (2)

i never had a problem with my exhaust making vibrations, nonetheless i don't have a catback anymore...hmm i honestly don't think mine came with any hangers, maybe i got screwed...still put it in there using the stock hangers tho lol

Alt

iTrader: (6)

I have the same vibration on both my 95 v6 and my 2000 SS with the LM catback. I still have not found what in the hell it is. It sounds similar to a heat shield rattling but I can't recreate the noise on a lift only on a slight incline. PITA to find this but once I do I'll be sure to make a thread about it.