JBA 6613S Long Tube Headers for Select 1965-1973 Ford Mustang Features:

• 3/8 in. thick CNC laser-cut flanges
• Firecone merged collector that improves exhaust scavenging 
• Larger in size mandrel bent stainless primary tubes give great flow and efficiency at a high RPM
• Exhaust ports are oversized to accommodate ported cylinder heads

JBA 6613S Long Tube Headers for Select 1965-1973 Ford Mustang Notes:

• Will NOT fit with a C6 transmission
• May need Z-bar modification
• Must be used with taller 1966 1/2 or later frame brackets 
• Will fit with a 5-speed manual transmission with an aftermarket crossmember
• Will fit with a Borgeson power steering box conversion
• Works with power steering equipped vehicles when the 6656P ram drop down bracket is used

Emissions Note:

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