Tri-Y design for a broad torque curve and increased torque. Perfect for off-road and rock crawling High flow, mandrel-bent tubes provide consistent tubing diameters for smooth flow and increased exhaust velocity Heavy duty tubing and high quality welds for increased strength and durability Smooth transition, 1-5/8” diameter primary tubes are used for increased exhaust flow increasing performance, improving throttle response and broadening the torque curve Flex joints are used on the outer tubes to diffuse vibration under the most extreme conditions Machined 1/2” header flange welded inside and out for a leak-free seal and maximum strength Premium aluminum header gaskets and installation hardware included High heat resistant black paint This header accommodates all emission control devices
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