I have an 06 Grand Marquis GS. V8 flexfuel engine. Will putting a dual exhaust system improve gas mileage?

Asked by Lonnie Nov 24, 2015 at 01:10 AM about the 2006 Mercury Grand Marquis GS

Question type: Car Customization

2 Answers

F_O_R answered 8 years ago

Maybe a small amount and you will pick up a few HP as well. I would expect no more than 1 mpg if that.

2 people found this helpful.
Mark helpful

Your Answer:

Related Questions

Shortcuts

Search Mercury Grand Marquis Questions

CarGurus Experts

  • #1
    Tracy Hooks
    Reputation
    9,710
  • #2
    Trippmeister
    Reputation
    5,060
  • #3
    Bob Beaman
    Reputation
    3,780
View All

Find great deals from top-rated dealers

Search

Related Models For Sale

Used Lincoln Town Car
2 listings starting at $9,995
Used Ford Crown Victoria
3 listings starting at $4,499
Used Toyota Camry
50 Great Deals out of 1,048 listings starting at $3,995
Used Ford Mustang
42 Great Deals out of 1,614 listings starting at $5,999
Used Ford Taurus
11 Great Deals out of 83 listings starting at $4,900
Used Honda Accord
38 Great Deals out of 988 listings starting at $2,995
Used Buick LeSabre
2 listings
Used Ford F-150
305 Great Deals out of 13,744 listings starting at $3,888
Used Chevrolet Impala
7 Great Deals out of 130 listings starting at $4,200
Used Chevrolet Silverado 1500
163 Great Deals out of 7,251 listings starting at $6,995
Used Dodge Charger
28 Great Deals out of 835 listings starting at $5,995
Used Toyota Avalon
3 Great Deals out of 35 listings starting at $6,795
Used Buick LaCrosse
4 Great Deals out of 22 listings starting at $6,795

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use. Content will be removed if CarGurus becomes aware that it violates our policies.