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The Kooks Torque Series is aimed at providing a solution for customers who are looking for a factory manifold replacement with a performance gain for their street driven truck. These headers are designed to be used with factory catalytic converters and include provisions for additional emissions systems where applicable.
KOOKS GM TRUCK/SUV TORQUE SERIES
1-5/8" x 1-3/4" x 2-1/2" Shorty Headers w/EGR. 1999-2001 GM LS Engine Truck
1-5/8" x 1-3/4" x 2-1/2" Shorty Headers. 2002-2013 GM LS Engine Truck