Hooker Blackheart Shorty Headers for ’14-’16 Chevy/GMC Silverado/Sierra V8 5.3L

The new PN 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.

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