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Registered
Join Date: Oct 2003
Location: London Ont Canada
Posts: 3,120
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There is supposed to be a matrix inside. If the car was allowed to run rich for an extended time the cat can overheat to the point of the matrix melting down and the crumbled pieces will blow out ,leaving a gutted cat. also some people will purposly knock out the guts without any outward signs to reduce back pressure.
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1980 911 SC 3.6 coupe sold
1995 993 coupe
1966 Mustang Shelby clone
1964 Corvair Spyder Turbo gone
2012 Boss 302
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