0
Theoretically yes, it should improve it. However, in real-world driving, many more factors come into play and you'd see very little if any improvement. You'd actually get worse MPG if you like hearing your improved exhaust because you'd constantly be giving the car too much trottle!
Still curious? Ask our experts.
Chat with our AI personalities
RossEvery question is just a happy little opportunity.
Chat with Ross
EzraFaith is not about having all the answers, but learning to ask the right questions.
Chat with Ezra
TaigaEvery great hero faces trials, and you—yes, YOU—are no exception!
Chat with TaigaAdd your answer:
Earn +20 ptsQ: Does changing your exhaust effect gas mileage?
Write your answer...
Submit
Still have questions?
Trending Questions
How do you remove lifters from a 2002 Chevy venture 3.4 engine?
What does gap insurance provide in the early years of one's loan?
What is the correct fluid for a 5 speed manual transmission in a 1992 GMC fwd pickup?
What happens if you put gas in the car when its on?
Will the engine start if o2 senor is bad?
How much does it cost to build an apartment above a garage?
Screw holes on distributor cap are stripped?
Does my insurance cover a friend driving my car?
Where can a person find easy access to car price comparisons of offers from different dealers?
How many amps does car alternator put out?
An ignition coil transforms voltage from a battery to create what?
What if a car cuts you off and you hit another car?
Will a car impacting another car head on double the force of impact?
Can police check locked compartments in your car?
Does car have to be in your name to file a claim when someone hit you?
How much horsepower in a 208cc generac generator?
Ton to gallon?
Does the person who's car was hit by another have to pay a deductible to have his own car repaired when it was the other persons fault?
Is there a wiring harness adapter to convert from a coil pack to a distributor?
How should I value my used car?
Copyright ©2025 Infospace Holdings LLC, A System1 Company. All Rights Reserved. The material on this site can not be reproduced, distributed, transmitted, cached or otherwise used, except with prior written permission of Answers.