Kooks 09-13 Chevrolet Silverado 1500 LTZ WT LS LT XFE 1-7/8 x 3 Header & Catted Y-Pipe Kit - 2855H420 Engine Covers It's destined to fail with

It's destined to fail with repeated heating and cooling cycles

FRONT REAR SPRING RATES 14k Varies (See Below) UPPER MOUNT Rubber OR Pillowball w/ Camber Plates OEM STRUT DESIGN Inverted Sustech Inverted

bellows coupling and quality stainless steel clamps for a secure install

It’s aggressive with the valves closed

Kooks 09-13 Chevrolet Silverado 1500 LTZ WT LS LT XFE 1-7/8 x 3 Header & Catted Y-Pipe Kit - 2855H420 Engine Covers It's destined to fail withKooks Headers and Exhaust has been the leader in the High Performance Exhaust Industry for over 50 Years! Since 1962, Kooks takes pride in offering the best Headers and complete exhaust systems for your street, race and off road applications. We have won hundreds of championships and set countless records in the NHRA, IHRA, NMCA, NMRA, NASCAR, NASA, SCCA and many other racing organizations. Now with three generations of family leadership, we are proud