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OK folks I have an odd one and it's driving me nuts. Here it is:
I'm getting an odd buzzing sound out of my exhaust, not a buzzing sound like you hear from many honda's etc. My exhaust is very throaty, but there's this odd buzz coming out of the tail pipe during acceleration. At first I thoight it may be something loose in the muffler like a loose baffle. So I swapped cat-backs with my other Focus and the noise is still there. so then I thought it may be in the after market flex pipe, so I reinstalled my stock one and .... noise is still there. The only thing I haven't replaced is the header. I've been over the exhaust with a fine tooth comb and there are absolutely no leaks. My exhaust consists of:
FC race header
FS Flex pipe
Magnaflow cat back (w/additional resonator)
When I first installed this system all was well and it didn't have this sound, but it showed up after about a week and now I can't for the life of me figure it out. Any ideas?
OK, I just reinstalled the aftermarket flex pipe and drove the car. The buzzing occurs around the 2500 - 2800 RPM range.
[ 10-23-2002, 07:43 PM: Message edited by: dan-d ]
I'm getting an odd buzzing sound out of my exhaust, not a buzzing sound like you hear from many honda's etc. My exhaust is very throaty, but there's this odd buzz coming out of the tail pipe during acceleration. At first I thoight it may be something loose in the muffler like a loose baffle. So I swapped cat-backs with my other Focus and the noise is still there. so then I thought it may be in the after market flex pipe, so I reinstalled my stock one and .... noise is still there. The only thing I haven't replaced is the header. I've been over the exhaust with a fine tooth comb and there are absolutely no leaks. My exhaust consists of:
FC race header
FS Flex pipe
Magnaflow cat back (w/additional resonator)
When I first installed this system all was well and it didn't have this sound, but it showed up after about a week and now I can't for the life of me figure it out. Any ideas?

OK, I just reinstalled the aftermarket flex pipe and drove the car. The buzzing occurs around the 2500 - 2800 RPM range.

[ 10-23-2002, 07:43 PM: Message edited by: dan-d ]