... Titanium alloy manufacture 4.Tube Diameter:63.5mm 1.air intake 2.Inter cooler kitsfor EVO. 3.Titanium alloy manufacture4. ... technique to increase the horsepower of cars by changing the manifolds and exhaust systems especially in stainless steel and Titanium. Our ... steel exhaust system, like Exhaust header, Exhaust muffler, Exhaust air intake pipe, Exhaust down pipe, Exhaust tips, Strut bar, shift knob ...