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Old 09-16-2016, 05:25 PM   #41 (permalink)
kafer65's Avatar
Join Date: Apr 2008
Location: Tennessee
Posts: 282

Silver - '15 Mazda CX-5 Sport
Team Mazda
90 day: 37.23 mpg (US)
Thanks: 7
Thanked 60 Times in 52 Posts
I picked up 3mpg doing under drive pulleys, stainless headers and 3 inch Gerlisch straight through muffler on my 99 4wd Silverado 3dr. I did much of what you had done first and was frustrated with 13mpg mixed city.


Mirror deletes, 80% grill blocks, wheel covers, 50 psi tires = 6% better MPG avg. over a year. Wheel skirts overcoming ethanol winter fuel mpg losses and more!
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