Hooker BlackHeart 14-19 GM Silverado/Sierra 5.3L Header 70301411-RHKR

  
Hooker BlackHeart 14-19 GM Silverado/Sierra 5.3L Header - 70301411-RHKR. Silverado 1500 / Sierra 1500. Hooker continues to push the boundaries of performance with the BlackHeart line of exhaust products. These headers feature 1-7/8 primary tubes and are engineered to offer both premium fitment and maximum performance from your 5.3L engine. 50 State Smog Legal, C.

EO# D-115-20 for 2014 to 2016 models. Max dyno gains of +10 HP & +11 LB.

1-7/8 lightweight, 16-gauge, stainless steel construction maximizing strength and durability. 3/8 thick, CNC header flanges are used for strength and maximum sealing surface. Utilizes true mitered merge collectors to maximize exhaust velocity and scavenging, resulting in a broad torque curve. Retains factory O2 sensors and catalytic converters. Quality welds for strength, longevity and good looks.

Tube geometry designed for maximum clearance and hassle-free installation. Performance-Curve is a retail / wholesale warehouse distribution center with over 50 years of experience! We feature eight warehouses across the East Coast. The item page will indicate which service is used for that specific item.