| Hooker continues to push the boundaries of performance with the BlackHeart line of exhaust products. We are proud to offer these stainless steel shorty headers for 2014-2016 Chevy Silverado/GMC Sierra vehicles. These headers feature 1-7/8” primary tubes and are engineered to offer both premium fitment and maximum performance from your 5.3L engine.
Features:
50 State Smog Legal, C.A.R.B. EO# D-115-20
Max dyno gains of +9.48 HP & +10.67 LB.FT. torque
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
100% hand welded construction
Quality welds for strength, longevity and good looks
Tube geometry designed for maximum clearance and hassle-free installation
Manufacturer’s limited lifetime warranty | 
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