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Ryland · 03-29-2010, 10:25 AM

I've noticed better mileage with a pin hole in my exhaust so it was louder, why? because I didn't hit the gas as hard or it would call attention to my car, the sound changed my driving and that improved my mileage.

03-29-2010, 10:25 AM	#4 (permalink)
Ryland Master EcoModder Join Date: Jan 2008 Location: Western Wisconsin Posts: 3,903 honda cb125 - '74 Honda CB 125 S1 90 day: 79.71 mpg (US) green wedge - '81 Commuter Vehicles Inc. Commuti-Car Blue VX - '93 Honda Civic VX Thanks: 867 Thanked 434 Times in 354 Posts	I've noticed better mileage with a pin hole in my exhaust so it was louder, why? because I didn't hit the gas as hard or it would call attention to my car, the sound changed my driving and that improved my mileage.