JBA Long Tube Headers Mustang 289/302 1965-1970 1-1/2" Tri-Y Stainless Steel
Highlights
- Stainless Steel Construction
- Silver Ceramic Finish
- One-Piece Flanges
- O2 Sensor Provisions
Add a JBA silver ceramic stainless steel 1-1/2" tri-y long tube header to your 1965-1970 Mustang with a 289 or 302 engine.
Upgrade your 1965-1970 Mustang's exhaust system with a tri-y system for maximized horsepower and torque gains. JBA engineered the stainless steel, mandrel-bent primary tubes with thick 3/8" laser-cut flanges for a no-leak performance. The Firecone merged collector featured with these Tri-Y Headers is patented by JBA, including O2 sensor provisions for proper connection. The oversized exhaust ports will accommodate ported cylinder heads on your 289 or 302 engine.
Features and Benefits:
- 3/8 thick CNC laser-cut flanges
- Prevents leaks caused by warping
- Patented JBA Firecone merged collector
- Increased hp/tq improved exhaust scavenging
- O2 sensor provisions
- Standard on EFI headers for proper connection
- Large diameter mandrel-bent stainless steel primary tubes
- Maximum flow and high RPM efficiency
- Oversized exhaust ports
- Accommodates ported cylinder heads
California Residents: Proposition 65 Warning
Related Categories: Mustang Headers, Mustang Long Tube Headers, Mustang Tri-Y Headers
Only for use on pre-pollution controlled vehicles: This product can be used on vehicles that were manufactured before emissions control regulations were imposed. Pre-pollution vehicles are defined as:
- 1965 and older U.S. manufactured California certified vehicles
- 1967 and older U.S. manufactured federally certified vehicles
Installation Difficulty

Intermediate skill is required for this installation.




