Modifying a Power-Stroke Diesel
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The stock turbocharger has more air thanks to the K&N Fuel Injection Performance Kit (FIPK). K&N is mostly known for its air filters and now it has expanded into the cold-air kit market. This kit will not void your warranty from Ford. The company also backs the product with its own guaranty up to one million miles. We picked up 7 hp at the rear tires. View Related Article
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