yeah iam happy they are.....the company i work for has i work say 50%local/50%OTR and the fuel bill is 5.1million a year (thats doscounted too) compression brakes aka jake brakes save alotta fuel and brake wear. wanna good laugh i spent about close to 5,000 last year for one car! just in fuel.....i need to make my car as eco as possible!
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