But my computer average dropped 3-4 miles after my muffler install.. I wonder why my mpg went down after installing a high flow exhaust that doesn't make sense?? Does anyone know where I can buy a used factory muffler
has anyone noticed a drop in mileage after they put an aftermarket muffler on? My instant readout mpg has dropped 3-4 miles per gallon after the muffler install. And I've put around 1000 miles on it since. I also have a k&n drop in
i bought this car because I figured I would be getting around 40.. My friends have Jetta tdi and Chevy cruze and a Kia Optima gdi.. The diesels get 45mpg going 80
And the optima gets around 33.. The new Mercedes cla 250 gets Better than the Corolla on highway. The diesels will go 700 miles on a...
I have driven the same road for 15-20 minutes and then had someone else drive and you can tell a huge difference the amount of road noise that comes in the drivers side window.. I can hear it even sitting in the passenger seat