The new 70301411-RHKR shorty headers from Hooker Blackheart feature 1-7/8” primary tubes and are engineered to offer premium fitment and coax maximum performance from your 2014–2016 Chevy Silverado / GMC Sierra with V8 5.3L engine. This product is 50-state smog legal (CARB EO# D-115-20) and produces max dyno gains of 9.45 horsepower and 10.67 ft.-lb. of torque. Fabricated from hand-welded 16-gauge stainless steel.
Features
- For 2014–2016 Chevy Silverado and GMC Sierra with V8 5.3L engine.
- 50-state smog legal (CARB EO# D-115-20).
- Dyno gains of +9.48 HP and +10.67 ft-lb. torque.
- 100% hand-welded, lightweight 1-7/8” 16-gauge stainless steel.
- 3/8” thick CNC header flanges.
- True mitered merge collectors maximize exhaust velocity and scavenging.
- Tube geometry designed for maximum clearance and hassle-free installation.
- Retains factory O2 sensors and catalytic converters.
- Warranty: limited lifetime.
