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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.
Headers - Torque Series Headers

1-5/8" x 1-3/4" Torque Series Headers w/EGR 1999-2001 GM Truck 4.8L/5.3L/6.0L.

1-5/8" x 1-3/4" Torque Series Headers. 2002-2013 GM Truck 4.8L/5.3L/6.0L/6.2L
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1-5/8" x 1-3/4" Torque Series Headers. 2009-2018 Dodge/RAM 1500 5.7L HEMI
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2019-2024 RAM 1500 5.7L HEMI 1-5/8" x 1-3/4" Torque Series Headers.
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1-5/8" x 1-3/4" Torque Series Headers 2019+ GM Truck/2021+ SUV 5.3L/6.2L.

1-5/8" x 1-3/4" Torque Series Headers 2014-2018 GM Truck/2015-2020 SUV 5.3L/6.2L