1966 Crown Coupe, 2016 200 S AWD, 1962 Lark Daytona V8.
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If the ceramic element inside the cat has broken up, it will rattle like rocks and possibly cause an exhaust restriction when it blocks the exit of exhaust flow at the outlet. This will cause a loss of power when acceleration or uphill loads are demanded. It can also be a fire hazard.
Is the 'bump' a harsh downshift or backfire?
A 'direct-fit' replacement is usually the best way to go, but that option may be restricted in California by CARB.
Is the 'bump' a harsh downshift or backfire?
A 'direct-fit' replacement is usually the best way to go, but that option may be restricted in California by CARB.