42RH / A-500 in a Duster with pictures.

PoisonDart74 said

How much would you say you gained as a ball park figure? Nice shop BTW.

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Hard to say but we drive to Berlin for a car show and the amount of fuel used was cut almost in half and we get there quicker now.

1900 vs 3500 going down the highway and I can cruise at 80 now.