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Discussion Starter · #1 ·
I am looking at the aftermarket dual exhaust for my 2011 LT 1.4 auto. I am trying to find out if it wil lower my mpg if I change it to one of the aftermarket ones. Not really even sure which one to get. This is my first small car like this.
Thanks for the info!!!!!
 

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Changing the exhaust will only effect gas mileage adversely because you wont want to keep your foot out of it lol. If you drive it the same then no it will not lower mpg. Some have actually reported a slight increase due to the engine having to work less to get the gasses out.
 

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