Hooker 70301410-RHKR Exhaust Header

Compatible with 2008-2013 Chevrolet®/GMC® Silverado®/Sierra® 5.3L V8. This product is not created or sold by Chevrolet®/GMC®. C.A.R.B. EO# D-115-27 and D-115-20;

These shorty headers are 100% hand welded 304 stainless steel for quality, strength, longevity and good looks. Lightweight yet strong 1-3/4 inch 16-gauge primary tubes with 2.50-inch true mitered merge collectors maximize exhaust velocity and scavenging for a broad torque curve. This excellent flow offers max dyno gains of +18 hp and +22 lb/ft torque. 3/8 in. thick CNC'd header flanges are used for strength and maximum sealing. Tubes are designed for maximum clearance and a hassle-free installation. Bolts right up to factory down pipes and retains the use of your factory O2 sensors and catalytic converters for emission compliance under CARB EO# D-115-27. Includes six bolts and nuts to connect downpipes. Designed to reuse your original exhaust manifold bolts and gaskets. Hooker Blackheart headers are backed by a manufacturer's limited lifetime warranty.;