https://ssnperformance.com/4-e....xhaust-muffler-pipe-
Fuel Mileage – Expect to see a significant increase in fuel mileage. If your DPF is plugged up your probably averaging about mpg. More or less depending on the severity of the restriction. After deleting the DPF/CAT expect to get a combined mileage of mpg. Larger tires and poor driving habits will skew mileage downward. We send you a step-by-step instruction guide and have a full time support staff to help you with any questions you may have on the installation. Starting with t
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