Take your Toyota’s performance to the next level with the JBA Cat4ward Silver Ceramic Header Kit, designed specifically for the 4.0L V6 in Tacoma, FJ Cruiser, and 4Runner models. Precision engineered for direct fitment, these headers are made to boost your engine’s horsepower, torque, and efficiency—while staying emissions-compliant.
JBA’s dyno-proven Cat4ward design optimizes exhaust flow with smooth, mandrel-bent primaries and their patented Firecone collector, ensuring maximum scavenging and power gains across the RPM range. The silver ceramic coating helps manage underhood temperatures and keeps your engine bay looking sharp.
Key Benefits
- Increases horsepower & torque: Noticeably more power throughout the rev range.
- Enhances throttle response: More immediate acceleration.
- Potential fuel economy improvement: More engine efficiency under certain driving conditions.
- Reduces underhood heat: The silver ceramic finish helps control engine bay temps.
- Durable, attractive component: Upgrades your engine’s look and performance.
Features
- 3/8" single-piece, laser-cut flanges: Excellent strength, leak-free sealing.
- Mandrel-bent 14-gauge mild steel or 409 stainless primaries: Improved flow with superior durability.
- Patented JBA Firecone collector: For optimal exhaust scavenging.
- Complete premium installation hardware included
- Easy bolt-on installation: Fits your vehicle without modifications.
- Will not void factory warranty
- C.A.R.B. Certified – 50 State Legal
- Limited lifetime warranty
Vehicle Fitment
- 2005–2011 Toyota Tacoma (4.0L V6)
- 2005–2009 Toyota FJ Cruiser (4.0L V6)
- 2003–2009 Toyota 4Runner (4.0L V6)
Note: Product images are for reference only; actual product may differ. Please call for details and fitment assurance.
Important Note
This product is legal for street use and emissions-compliant in all 50 states. However, it must be used in accordance with Federal EPA laws.
Questions? Call our Tech Support at 928-505-2501.
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JBA Header Kit FAQs
Will this header work on my Toyota if I have the 4.0L V6?
Yes, this header kit fits 2005-2011 Tacoma, 2005-2009 FJ Cruiser, and 2003-2009 4Runner models equipped with the 4.0L V6 engine.
Do I need to modify my exhaust to install these headers?
No modifications are needed. The JBA Cat4ward headers are a direct bolt-on replacement for the factory manifolds.
Are these headers street legal?
Yes, they are C.A.R.B. certified and 50-state emissions-legal.
Does installing these headers void my factory warranty?
No. These headers are designed to be warranty-friendly when properly installed.
Will I get a check engine light after installation?
When correctly installed on the listed vehicles, these headers should not cause a CEL. Always double-check installation and use new gaskets and hardware provided.
Is the hardware included?
Yes, all necessary premium-grade hardware for installation is included in the kit.
What tools do I need for installation?
Basic hand tools are required. For best results, professional installation is recommended, especially if you’re not familiar with exhaust work.
How much horsepower can I expect?
Actual gains vary, but most users report noticeable improvements in both horsepower and throttle response on their Toyota trucks.
This product should not be used in a manner that violates Federal EPA Laws.
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| Note: Images are for illustration purposes only. Images may not represent the product listed. Please contact customer service with any questions or concerns: 1-928-505-2501. |
- 2005-2011 Tacoma 4.0L
- 2005-2009 FJ 4.0L
- 2003-2009 4Runner 4.0L