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| SKU | JBA1840S-3 |
| MPN | 1840S-3 |
| GTIN | 694342527259 |
| Certifications | None |
| Material | 409SS |
| Color/Finish | Raw |
| Bolt Pattern / PCD | S-Truck 4.3L V6 4WD |
| Lug (holes) | 1-1/2in Primary |
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1995 | Chevrolet | Blazer | Base |
| 2002-2003 | Chevrolet | Blazer | LS |
| 1995 | Chevrolet | Blazer | LT |
| 2003 | Chevrolet | Blazer | ZR2 |
| 1991 | Chevrolet | S10 | Baja |
| 1988-1995,2002-2003 | Chevrolet | S10 | Base |
| 1988-1990 | Chevrolet | S10 | Durango |
| 1992-1993 | Chevrolet | S10 | EL |
| 1994-1995,2002-2003 | Chevrolet | S10 | LS |
| 1988-1989 | Chevrolet | S10 | Sport |
| 1988-1992 | Chevrolet | S10 | Tahoe |
| 1994-1995,2002-2003 | Chevrolet | S10 | ZR2 |
| 2002-2003 | Chevrolet | S10 | ZR5 |
| 1988-1994 | Chevrolet | S10 Blazer | Base |
| 1988-1989 | Chevrolet | S10 Blazer | High Country |
| 1994 | Chevrolet | S10 Blazer | LT |
| 1988-1990,1992 | Chevrolet | S10 Blazer | Sport |
| 1988,1990-1994 | Chevrolet | S10 Blazer | Tahoe |
| 1991-1994 | Chevrolet | S10 Blazer | Tahoe LT |
| 1992-1995 | GMC | Jimmy | Base |
| 1995 | GMC | Jimmy | SL |
| 1992-1995 | GMC | Jimmy | SLE |
| 1993-1995 | GMC | Jimmy | SLS |
| 1992-1995 | GMC | Jimmy | SLT |
| 1988-1990 | GMC | S15 | Base |
| 1988 | GMC | S15 | Gypsy |
| 1988-1990 | GMC | S15 | High Sierra |
| 1988-1990 | GMC | S15 | Sierra Classic |
| 1991-1993 | GMC | Sonoma | Base |
| 1994-1995,2002-2003 | GMC | Sonoma | SL |
| 1991-1995 | GMC | Sonoma | SLE |
| 1993-1995,2002-2003 | GMC | Sonoma | SLS |
Upgrade your GM S-Truck's performance with the JBA Cat4Ward Headers, specifically designed for 1988-1995 and 2002-2003 models equipped with the 4.3L V6 4WD engine. These headers feature 1-1/2 inch primary tubes crafted from high-quality raw 409 stainless steel for durability and enhanced exhaust flow.
Experience improved horsepower and torque as the Cat4Ward design directs exhaust gases efficiently away from the engine, reducing backpressure and boosting your truck’s overall performance. The raw finish allows for customization or can be left natural to blend with your existing engine components.
Installation is straightforward, making it an excellent upgrade for enthusiasts who demand reliability and performance without unnecessary complications. Perfect for those seeking to enhance exhaust sound and power on their GM S-Trucks, this header fits directly into your vehicle’s existing exhaust system and maintains a true-to-form look and feel.
Trust in JBA’s engineering excellence and Tuningsupply’s fast and reliable delivery to get your project on the road quicker.
Experience improved horsepower and torque as the Cat4Ward design directs exhaust gases efficiently away from the engine, reducing backpressure and boosting your truck’s overall performance. The raw finish allows for customization or can be left natural to blend with your existing engine components.
Installation is straightforward, making it an excellent upgrade for enthusiasts who demand reliability and performance without unnecessary complications. Perfect for those seeking to enhance exhaust sound and power on their GM S-Trucks, this header fits directly into your vehicle’s existing exhaust system and maintains a true-to-form look and feel.
Trust in JBA’s engineering excellence and Tuningsupply’s fast and reliable delivery to get your project on the road quicker.
Customer reviews
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We want to deliver parts fast, efficiently, and with ease. Our mission is to continue to provide just that. To provide large inventory and efficient logistics while maintaining great service. As well as a community with like-minded auto enthusiasts that share the same passion as we do.

















