JBA Cat4Ward® Header 03-06 GM Truck 6.0L LS W/O EGR 1 5/8" Primary Raw 409 1850S-3
JBA shorty headers are one of the foremost performance upgrades you can bestow upon your beloved car, truck, or SUV. JBA Headers are significantly less restrictive than stock manifolds and dramatically increase the power and efficiency of your engine. Each header is constructed from durable stainless steel to endure the abuse of racing, towing, and daily driving – built to withstand it all. JBA’s proprietary Firecone collector design uses race proven technology for producing maximum power and torque gains where you drive most. Each system includes factory style emission connections and high-quality hardware for a professional no-leak installation.
- Mandrel bent stainless steel tube
- Proprietary JBA Firecone collector
- Factory style emission connections
- Extra thick collector domes
- 3/8" thick machined flanges with Oversized exhaust ports
Application Summary:
| Year |
Make/Model |
| 2003-2006 |
Cadillac Escalade |
| 2003-2006 |
Chevrolet Silverado 1500 |
| 2003 |
Chevrolet Silverado 1500 HD |
| 2005-2006 |
Chevrolet Silverado 1500 HD |
| 2003-2004 |
Chevrolet Silverado 2500 |
| 2003-2006 |
Chevrolet Silverado 2500 HD |
| 2003-2006 |
Chevrolet Silverado 3500 |
| 2006 |
Chevrolet Suburban 1500 |
| 2003-2006 |
Chevrolet Suburban 2500 |
| 2003-2006 |
GMC Sierra 1500 |
| 2003 |
GMC Sierra 1500 HD |
| 2005-2006 |
GMC Sierra 1500 HD |
| 2003-2004 |
GMC Sierra 2500 |
| 2003-2006 |
GMC Sierra 2500 HD |
| 2003-2006 |
GMC Sierra 3500 |
| 2003-2006 |
GMC Yukon |
| 2003-2006 |
GMC Yukon XL 1500 |
| 2003-2006 |
GMC Yukon XL 2500 |
| 2003-2006 |
Hummer H2 |
| Attributes |
| California Proposition 65 |
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov |
| CARB EO # |
D-57-48 |
| Catalytic Converter(s) Included |
No |
| Collector Diameter |
2.5 |
| Collector Port Diameter |
2.5 |
| Collector Reducers Included |
No |
| Color |
Grey |
| Country of Origin (Primary) |
MX |
| Design |
Shorty |
| Emission Code |
Legal US |
| EmissionFullDES |
1 - This product has been granted a California Air Resources Board (CARB) Executive Order (EO Number) Exemption. It is 50 State Legal when installed on the Specified vehicle per the Manufacturer’s Current Application Guide, the CARB EO, and Installation Instructions., 1 - This product has been granted a California Air Resources Board (CARB) Executive Order (EO Number) Exemption. It is 50 State Legal when installed on the Specified vehicle per the Manufacturer’s Current Application Guide, the CARB EO, and Installation Instructions. |
| EO Num |
D-57-33 |
| Finish |
Uncoated |
| Flange Thickness |
3/8 |
| Gasket Or Seal Included |
Yes |
| Gaskets Included |
Yes |
| Grade Type |
Performance |
| Harmonized Tariff Code (Schedule B) |
8708925000 |
| Hazardous Material Code |
N |
| Header Material |
409 Stainless Steel |
| Header Style |
Shorty |
| Life Cycle Status Code |
Available to Order |
| Mounting Hardware Included |
Yes |
| NAFTA Preference Criterion Code |
B |
| Oxygen Sensor Port |
No |
| Primary Tube Outside Diameter |
1.625 |
| SDR Required Flag |
N |
| Sheen Level |
Matte |
| Standard Pack |
1 |
| Tube Wall Thickness |
0.059 |
| Warranty Time |
12 |
| GTIN |
00694342527617 |