Re: buzzing noise
It sounds like broken baffles in the resonator just behind the main catalytic converter. This is a very common problem with our cars. Do a search on resonators or buzzing noises to find out more.
After you cut out the old resonator, you can replace it with a universal 2.5" in/2.5"out resonator. Usually 4" in diameter and 14" long, such as a
Magnaflow 10416 http://www.performancepeddler.com/de...CT_ID=MAG10416
Their advertised price is $58.62, but you can make them a lower offer
or an
AeroTurbine AR25. http://www.aeroperformanceexhaust.com/products.htm
Thier price is about $51.75.
You can also just weld in a straight section of 2.5" exhaust tubing in place of the resonator. Many here have done that, but the resonator works the best for keeping undesirable resonances away.
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Subaru Ambassador
1996 Polo Green LSi #216 ..138,100 miles. ..SOLD
JFICX8659TH100216.....Date of Manufacture: November 16, 1995.....
Fuji Heavy Industries..Ōta North Plant....Ōta City,. Gunma Prefecture, Japan
In-Service Date: January 2, 1997
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