Flowtech Headers are the perfect combination of quality and value. This shorty header fits the popular 1991-1999 Jeep Wrangler YJ/TJ 4WD I6-4.0L and bolts up to the factory exhaust.

Features

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