i've only driven 1.5 miles since doing mine, so i can't vouch for any MPG improvement quite yet! haha
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2012 Hyundai Veloster - new 40 MPG DD!!
1990 Nissan 300ZX Twin Turbo 5 speed - "Zeus"
2005 Nissan Titan SE King Cab 4x4 - gas guzzler
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