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www.ask.com/youtube?q=Does+Dual+Exhaust+Increase+Gas+Mileage%3F&v=uy1YbnvPBcg
Aug 13, 2010 ... Summary: www.cars-repair.com auto repair videos Dual exhaust doesn't increase gas mileage, but it does increase a car's performance.

www.exhaustvideos.com/faq/exhaust-system-muffler-gas-mileage

What muffler/ exost system will improve gas mileage the most, for the money??? ..... id like to a get a magnaflow dual exhaust system and have it installed. .... As a general rule, the best thing you can do is purchase a cat-back exhaust system ...

www.doityourself.com/stry/pros-and-cons-of-a-dual-exhaust-system

Increased Gas Mileage: The engine in a dual exhaust vehicle runs more efficiently and with less effort. This is ... This horsepower increase is about 20%.

www.meineke.com/blog/dual-exhausts-just-for-looks

Aug 3, 2015 ... Does having a dual exhaust get better gas mileage, or does it just look cool? Why is getting the leftover air out of the cylinders faster important?

www.walleyecentral.com/forums/archive/index.php/t-48708.html

I was always told that adding dual exhaust to your truck would improve the gas mileage. I know getting rid of it would be best to improve ...

www.autoanything.com/exhausts-mufflers/best-exhaust-system-for-fuel-economy.aspx

Discover the right exhaust system to increase gas mileage for your ride. ... And, in order to do that, you need to choose from the brand names you can trust, like ... You'll find reviews on all of our popular gas and diesel exhaust systems. ..... Dual Exit. Single Exit. Warranty. 3-year warranty (aluminized steel). Lifetime Warranty ...

www.reference.com/vehicles/dual-exhaust-system-improve-gas-mileage-7086455172534009

A correctly mounted dual exhaust system will allow an engine to breathe better, thus improving its gas mileage. A proper dual exhaust system will have both ...

answers.yahoo.com/question/index?qid=20110222070901AA03yFr

So if you drive it mostly in the city you chould see a change in mileage, but at highway speeds it should increase a little. I have a 01 k2500hd ...

www.onallcylinders.com/2012/05/24/how-to-improve-your-fuel-mileage

May 24, 2012 ... According to Fitch, the Fuel Catalyst can help increase fuel mileage by ... The most effective way to do that is by replacing the factory exhaust ... pipes and free- flowing mufflers to better scavenge exhaust gas from the engine.