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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.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 ... If you have a V-6 or larger, you will also notice a significant increase in ...

www.4wheelparts.com/buyers-guide-reviews/dynomax-truck-exhaust-upgrades.aspx

Ground UPS only - expedited shipping does not qualify; Orders must be ..... Aftermarket Exhaust: Quantifying Power and Fuel Economy Improvements ... Flow Welded muffler, although the dual system uses a dual-outlet version. ... Average mpg: +0.5 mpg vs. stock; Maximum mpg: negligible increase over muffler-only setup ...

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.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 ..... Dual Exit. Single Exit. Warranty. 3-year warranty (aluminized steel). Lifetime ...

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 ...

itstillruns.com/dual-exhaust-vs-single-exhaust-5575904.html

Increasing the amount of exhaust gas that leaves the engine has a direct influence on the air intake, and can significantly increase torque and horsepower.

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.