i had my LM on foralmost a year and never had one single problem with it including rattling.
SLP LOUDMOUTH Install
SLP LOUDMOUTH Install ok i just bought the slp loudmouth for my 99 Z28 and i am wondering if this is an application i can do my self in my drive way or is it going to need some welding?? is it just a bolt on. i figure i'm goign to need to cut the pipe. but after that is it a bolt on ? 
Re: SLP LOUDMOUTH Install yes its all bolton. No welding is needed and it shouldnt take more than 30 minutes to install 
you dont have to cut the stock exhaust off, i ermoved it by dropping the axel and then pulling it out incase i ever had to install it again.
you dont have to cut the stock exhaust off, i ermoved it by dropping the axel and then pulling it out incase i ever had to install it again.
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TECH Fanatic
Joined: Feb 2003
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From: Columbus, OH
Re: SLP LOUDMOUTH Install My tips are spot welded, but after that it's just clamped. The only pain in the *** I ran into was removing the band clamp off the old I pipe. The morons at GM thought it'd be a great idea to go ahead and spot weld that SOB onto the I pipe. Since that clamp is still on the car and the old exhaust is not, you can guess who won. =)
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