Hey guys, I just got a new Magnaflow performance exhaust system installed on my Z and after driving it around for a bit I noticed a weird rattle that sounds like its coming from below the passenger seat. Almost sounds like something bouncing up and down hitting another piece of metal. After looking/feeling around underneath the car though, nothing seems to be loose so I have absolutely no idea what it is. Has anyone had this issue before? Any ideas what might cause this rattle?

Thanks for the help.

 

its probly the heat sheild rattling. try going under there and tapping things to see if you can get them to rattle.

 

I believe that craby would agree that if you put tape on anything, it would melt and make a mess.

I believe he wants you to tap (tapping) things to see where it rattles

 

dang, my spell check didnt catch that one. lol. yep i totally agree.

 

There is a heat shield on top of the cat converter, where you can't really see it from below. Reach up there (after she cools off) and see if it's maybe floppin' around like a fish.

 

OMG!! mine does this too! sounds like something is clanking up and down like if i hit a bump or something. What do you do? just move it around??

 

mine does it too, and its because the exhaust pipes are so close to the floorboard, when the engine torques and twists, the pipes move with it, banging up against the floorboard. it does it really bad when i am going from a stop to reverse, and im slowly letting the clutch out.