There are two headers, each one leads through two catalytic converters (total of four converters altogether) down to a Y pipe. The single pipe leads to a muffler underneath the passenger compartment of the car, then from the muffler over the rear axle, through a resonator, and out the back. Some models did not have the resonator at the end, and others came with dual exhaust. The dual setup just replaces the Y pipe with an H pipe, leading to two mufflers and two tailpipes out the back. Your local parts shop should actually have diagrams of your exhaust.
owners manual.
For a 1998 Lincoln Town Car : It depends on which state it is sold in and if it is single or dual exhaust Single exhaust ( 200 or 205 horsepower ) Dual exhaust ( 215 or 220 horsepower )
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its under the cap of the fuse box
firewall 4 - 8 3 - 7 2 - 6 1 - 5 front of Lincoln Town Car
firewall 4 - 8 3 - 7 2 - 6 1 - 5 front of Lincoln Town Car V8
The 1991-1997 Lincoln Town Car with the standard 4.6L engine has 210 horsepower if it has dual exhaust. Otherwise, the power is about 190 horsepower with the single exhaust.
For a 1989 Lincoln Town Car : firewall 4 - 8 3 - 7 2 - 6 1 - 5 front of vehicle
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There are 2 of them and they are located toward the front of the exhaust 1 on each pipe coming down from the exhaust manifolds.
Left side, on the firewall by the wiper motor
According to the 1998 Lincoln Town Car Owner Guide : For the vehicles sold in California , New York , Massachusetts , Connecticut ( single exhaust 200 horsepower / dual exhaust 215 horsepower ) Outside of those four states mentioned above : ( single exhaust 205 horsepower / dual exhaust 220 horsepower )