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 2008-2013 Chevy Silverado/GMC Sierra vehicles.

These headers feature 1-3/4-inch primary tubes with 2.50-inch collectors and are engineered to offer both premium fitment and maximum performance from your 5.3L engine. CARB compliant under EO # D-115-27.

Emissions compliant under C.A.R.B. EO# D-115-27

Max dyno gains of +18 HP & +22 LB.FT. torque

• 1-3/4 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 Percent 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

Details:

• Bolt size: M8 x 1.25 x 25mm
• C.A.R.B Eo: D-115-20, D-115-27 | D-115-27
• CARB (California) Compliant: Yes
• Collector Diameter: 2.50 inch
• Emission Code: 1
• Engine: GM Gen III/IV (LS)
• Exhaust Series: Hooker BlackHeart
• Header Finish: Natural
• Header Style: Shorty
• Material: 304 Stainless Steel
• Primary Tube Dia.: 1-3/4 inch
• Product Type: Headers
• Tube Material: 304 Stainless Steel
• Warning: California Proposition 65