Hooker BlackHeart Shorty Headers HOK-70301410RHKR
Fits 2008-2013 Silverado/Sierra 5.3L 1-3/4, V8 Stainless Steel Shorty Headers, C.A.R.B. EO# D-115-27
Features:
- 1-3/4” lightweight, 16-gauge, stainless steel construction maximizing strength and durability
- Manufacturer’s limited lifetime warranty
- Tube geometry designed for maximum clearance and hassle-free installation
- Quality welds for strength, longevity and good looks
- 100% hand welded construction
- Retains factory O2 sensors and catalytic converters
- Utilizes true mitered merge collectors to maximize exhaust velocity and scavenging, resulting in a broad torque curve
- 3/8” thick, CNC header flanges are used for strength and maximum sealing surface
- Max dyno gains of +18 HP & +22 LB.FT. torque
- Emissions compliant under C.A.R.B. EO# D-115-27
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.
Attributes:
| C.A.R.B EO # | D-115-20, D-115-27 |
| Brand | Hooker BlackHeart |
| Bolt size | M8 x 1.25 x 25mm |
| Tube Material | 304 Stainless Steel |
| Sub Category | Exhaust Manifolds |
| Product Type | Headers |
| Primary Tube Dia. | 1-3/4 inch |
| part type | Exhaust Header |
| Material | 304 Stainless Steel |
| Header Style | Shorty |
| Header Finish | Natural |
| Exhaust Series | Hooker BlackHeart |
| Engine | GM Gen III/IV (LS) |
| Emission Code | 1 |
| Collector Diameter | 2.50 inch |
| Category | Exhaust |
| CARB (California) Compliant | Yes |
| C.A.R.B. EO # | D-115-27 |
Vehicle Applications:
| Make | Model | Years |
| Chevrolet | Silverado 1500 | 2008 to 2013 |
| GMC | Sierra 1500 | 2008 to 2013 |
| GMC | Sierra | 2008 to 2012 |



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