– Treadstone Performance Engineering Inc. is a leading manufacturer and distributor of high performance turbocharging parts. Specializing in the automotive industry we engineer, develop and manufacture turbo charging components for many different applications. We have engineers, CAD/CAM and Solid Works professionals on hand to aid in the research and development for any of your projects. Our claim to fame has stemmed from our line of intercoolers. Treadstone Performance Engineering Intercoolers are crafted from superb 6061 T6 Aircraft Grade Aluminum. They are made from a bar and plate construction and are pressured checked to 150 psi–forging a world renown product that stands by its’ performance and matchless quality. Our end-tanks are TIG welded in-house, by hand; making each product unique and guaranteeing the quality assurance of each of our products. Our end-tanks are CAD engineered to distribute even airflow with low-turbulence and low-pressure-drop. All of our products compliment the best in performance turbocharging today, Turbonetics, Precision, Garrett, and Borg Warner Turbochargers, the pioneers in performance turbocharging!