about 5 - 10 hp
Not a significant difference all the dual exhaust does is cut back pressure ergo the louder sound
it will help preformance more than millage
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 )
200 horsepower ( 215 horsepower with dual exhaust )
looks like the regular charger except it has a hood scoop and special grille with the srt-8 emblem in the grille, also has special wheels and dual exhaust.
The advantages of having dual exhaust, if it is a true dual exhaust, include increased gas mileage, cooler engine temperature, and more engine horsepower. However, if it is not a true dual exhaust, it doesn't matter how many exhaust ports there are, there will be no advantage.
If that's a 360 - 4 barrel ( 170 horsepower / 160 horsepower in California ) Actually the E58 360 4 barrel with dual exhaust was rated at 195 HP! I own one!
Dual exhaust and P71 210. Single exhaust 190
For a ( 2002 ) Mercury Grand Marquis : 220 horsepower ( 235 horsepower with dual exhaust )
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 )
According to the 1999 Ford Crown Victoria Owner Guide : With single exhaust ( 200 horsepower ) With dual exhaust ( 215 horsepower )
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