Kooks 2860H220 Long Tube Header and Catted Y-Pipe Kit for 2014-2020 GM 1500 Series Trucks and SUVsKooks 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

Install-Ready with all adapters

pan gasket and new rail bolts and washers

2014 Chevrolet Silverado 1500 5

Mishimoto's Liquid Chill Original Equipment engine coolant is formulated with an ethylene glycol base to provide optimal

050" 224 int/228 exh

Precision hardcoated

Improved Throttle Response

from final honing to thread quality and bending

3L  LS4 2005 2009 Pontiac GTO 5

8 OHV L6 12   Nova

Xtreme Energy XE-R design for larger cubic inch LS6 and LS1

Intake Manifold - 4150/EFI