The Kooks 2250H420 1-7/8in x 3in Stainless Steel Long Tube Headers with High Flow Catted Connection Pipes are the best high-performance exhaust header upgrade for 2010 through 2015 Chevrolet Camaro SS (LS3/L99) and ZL1 (LSA) owners seeking maximum horsepower, torque, throttle response, and a deep, aggressive exhaust tone. Handcrafted in the USA from T304 aircraft-quality stainless steel, these long tube headers feature mandrel-bent piping, high-flow catalytic converters, and OEM-style connections for superior flow, reduced backpressure, and emissions compliance and ideal for street, strip, or track builds with dyno-proven power gains.
| Specification | Detail |
|---|---|
| Part Number | 2250H420 |
| Primary Tube Diameter | 1-7/8 inches |
| Collector Diameter | 3 inches |
| Material | T304 Stainless Steel |
| Tube Direction | Down Swept |
| Port Shape | Round |
| Power Range | 500-750 HP |
| Emissions | High-Flow Catted and Not Legal for Sale or Use in California |
| Heat Shield | No |
| Mounting Hardware | Included |
| Gaskets Included | Yes |
| Country of Origin | United States |
| Warranty | Limited Lifetime (Original Purchaser) |
| Year | Make | Model | Notes |
|---|---|---|---|
| 2010 | Chevrolet | Camaro | SS (LS3/L99) / ZL1 (LSA) and 6.2L V8 |
| 2011 | Chevrolet | Camaro | SS (LS3/L99) / ZL1 (LSA) and 6.2L V8 |
| 2012 | Chevrolet | Camaro | SS (LS3/L99) / ZL1 (LSA) and 6.2L V8 |
| 2013 | Chevrolet | Camaro | SS (LS3/L99) / ZL1 (LSA) and 6.2L V8 |
| 2014 | Chevrolet | Camaro | SS (LS3/L99) / ZL1 (LSA) and 6.2L V8 |
| 2015 | Chevrolet | Camaro | SS (LS3/L99) / ZL1 (LSA) and 6.2L V8 |
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