JBA
JBA 67-70 Ford Mustang 390-428 FE 1-3/4in-2-1/2in Primary Silver Ctd Tri Y Header - 6655SJS
- SKU:
- JBA6655SJS
- UPC:
- 694342531140
- MPN:
- 6655SJS
- Availability:
- Regularly stocked product
Description
How do JBA Tri-Y Headers improve engine performance?
JBA Tri-Y Headers deliver unrestricted exhaust flow via large, mandrel-bent stainless steel primary tubes for a significant horsepower and torque surge.
Can I install these headers myself?
Professional installation is recommended to ensure proper fitment and leak-free exhaust system performance for your 1967-1970 Ford Mustang.
JBA Tri Y Headers for your 1967-1970 Ford Mustang maximize horsepower and torque, achieving a top score of 9 for Street Performance. Featuring large mandrel-bent stainless steel primary tubes and proprietary Firecone merged collectors, these headers unlock optimal engine breathing. Experience a robust, leak-free seal for maximum power transfer and unparalleled durability.
What Owners Say
Owners and enthusiasts consistently praise JBA Tri-Y headers for their solid construction and reliable fitment, with several noting they're a proven design that delivers functional performance gains when paired with supporting modifications like larger throttle bodies. The stainless steel construction earns particular respect for durability, and users report no complaints about quality or long-term performance. While tri-y designs aren't as commonly discussed as traditional long tubes in modern applications, those running JBA's tri-y setups specifically highlight their compatibility with stock components and tight-clearance applications like classic muscle cars with Z-bars and manual steering. The combination of quality materials, dependable fitment, and real-world performance makes JBA headers a trusted choice among serious enthusiasts.
Key Features
- large mandrel-bent stainless steel primary tubes
- oversized exhaust ports
- extra thick 3/8 one-piece flanges
- proprietary JBA Firecone merged collectors
- O2 sensor provisions
Why Choose the JBA Tri Y Headers
Delivers unrestricted exhaust flow for a significant horsepower and torque surge.
Achieves optimal engine breathing, unlocking your Mustang's true performance potential.
Provides a robust, leak-free seal for maximum power transfer and durability.
Transforms your exhaust note into a deep, aggressive performance rumble.
Who Is This For?
Street Performance — 9/10
Maximizes horsepower and torque with large tubes.
Engine Performance — 9/10
Large mandrel-bent tubes maximize horsepower and torque.
Track / Autocross — 8/10
Large tubes and merged collectors enhance performance.
Drag Racing — 8/10
Maximizes horsepower and torque for acceleration.
Visual / Aesthetic Upgrade — 7/10
Stainless steel construction with silver finish.
Racing Competition — 8/10
Designed for maximized horsepower and torque.
Additional Resources
Important Notices
⚠️ CARB Notice: This product is NOT legal for street use in California under CARB (California Air Resources Board) regulations. For off-road or race use only.
⚠️ 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.
Additional Information
CARB: |
This product is not CARB Legal and not for sale in California |
Clearance Item: |
N |
MPN: |
6655SJS |
Proposition 65: |
Y |
Case Lot Quantity: |
1 |
Category: |
Exhaust, Mufflers & Tips>Headers & Manifolds |
Product Level: |
Premium Performance |
Street Performance: |
9/10 |
Engine Performance: |
9/10 |
Track / Autocross: |
8/10 |
Drag Racing: |
8/10 |
Visual / Aesthetic Upgrade: |
7/10 |
Racing Competition: |
8/10 |