JBA

JBA 03-09 Toyota 4.0L V6 w/o A.I.R. 1-1/2in Primary Raw 409SS Cat4Ward Header - 2035S

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SKU:
JBA2035S
UPC:
694342528829
MPN:
2035S
Availability:
Regularly stocked product
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MSRP: $556.84
$506.22
— You save $50.62
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Description

Will the JBA Cat4Ward Headers fit my vehicle?
JBA Cat4Ward Headers are engineered to bolt-on fit your 2003-2011 Toyota 4Runner, FJ Cruiser, and Tacoma, ensuring seamless integration.

How difficult is the installation of the JBA Cat4Ward Headers?
Designed as a bolt-on upgrade, installation of these JBA Cat4Ward Headers simplifies the process for enhanced engine performance.

JBA Cat4Ward Headers are meticulously designed for the 2003-2011 Toyota 4Runner, FJ Cruiser, and Tacoma, delivering a noticeable increase in horsepower with smoother exhaust flow. Featuring three-eighths inch thick machined flanges and mandrel bent stainless steel tubing, these headers ensure optimal performance and durability. Experience enhanced engine response and a premium exhaust note with this direct-fit solution.

What Owners Say

Owners and enthusiasts consistently praise JBA Cat4Ward Headers for their straightforward installation and superior build quality compared to heavy cast stock manifolds. The lightweight design and clean appearance earn particular recognition, though some admit performance gains are difficult to definitively measure without dyno testing. Users emphasize the importance of buying quality here—the consensus warns that cheaper alternatives often suffer from welding defects at the collector that lead to persistent leaks, making the investment worthwhile given how labor-intensive header installation can be. When paired with supporting mods like cold air intakes and high-flow cats, owners report noticeable power improvements. JBA has established a solid reputation among truck and performance car communities as a reliable, well-manufactured header option.

Key Features

  • 3/8" thick machined flanges with Oversized exhaust ports
  • Proprietary JBA Firecone collector
  • Factory style emission connections
  • Mandrel bent stainless steel tube
  • Extra thick collector domes

Why Choose the JBA Cat4Ward Headers

Delivers a leak-free seal for maximum exhaust flow and power.

Achieves smoother exhaust flow for a noticeable increase in horsepower.

Provides seamless integration with your factory emissions system for compliance.

Transforms your engine's breathing for a more responsive and exhilarating drive.

Who Is This For?

Street Performance — 8/10
Smoother flow claims noticeable horsepower increase.

Engine Performance — 8/10
Oversized ports and mandrel bent tubes improve flow.

Easy DIY Install — 7/10
Bolt-on install type simplifies installation process.

Visual Aesthetic Upgrade — 6/10
Stainless steel material offers a premium appearance.

Track / Autocross — 7/10
Performance gains support spirited driving applications.

Drag Racing — 7/10
Horsepower increase benefits acceleration performance.

Frequently Asked Questions

Will the JBA Cat4Ward Headers fit my vehicle?

JBA Cat4Ward Headers are designed to fit 2003-2011 Toyota 4Runner, FJ Cruiser, and Tacoma models, along with one additional compatible vehicle. These bolt-on headers ensure direct compatibility for a straightforward upgrade. Expect a precise fitment tailored for your specific Toyota application.

How difficult is the installation of the JBA Cat4Ward Headers?

Installation of the JBA Cat4Ward Headers is a bolt-on process, simplifying the upgrade for enthusiasts. This straightforward install type contributes to a user-friendly experience for most DIYers. Achieve enhanced engine performance with confidence due to the ease of integration.

What performance improvement can I expect from the JBA Cat4Ward Headers over stock?

Significant horsepower gains are achievable with JBA Cat4Ward Headers, supported by a 'Street Performance' usage score of 8 out of 10. The mandrel-bent stainless steel tubes and oversized exhaust ports improve engine breathing. Experience a more responsive and exhilarating drive with this performance upgrade.

What material are the JBA Cat4Ward Headers made from?

JBA Cat4Ward Headers are constructed from durable, mandrel-bent stainless steel tubing for longevity and performance. This premium material ensures a corrosion-resistant finish and contributes to a sophisticated visual aesthetic. Enjoy a lasting upgrade that combines both function and form.

Additional Resources

Official JBA Product Page

Important Notices

⚠️ Proposition 65 Warning: This product can expose you to chemicals including lead and/or other substances known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.

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Additional Information

Clearance Item:
N
MPN:
2035S
Proposition 65:
Y
Case Lot Quantity:
1
Category:
Exhaust, Mufflers & Tips>Headers & Manifolds
Install Type:
Bolt-On
Product Level:
Premium Performance
Street Performance:
8/10
Engine Performance:
8/10
Easy DIY Install:
7/10
Visual Aesthetic Upgrade:
6/10
Track / Autocross:
7/10
Drag Racing:
7/10
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