JBA shorty headers are one of the foremost performance upgrades you can bestow upon your beloved car, truck, or SUV. JBA Headers are significantly less restrictive than stock manifolds and dramatically increase the power and efficiency of your engine. Each header is constructed from durable stainless steel to endure the abuse of racing, towing, and daily driving – built to withstand it all. JBA’s proprietary Firecone collector design uses race proven technology for producing maximum power and torque gains where you drive most. Each system includes factory style emission connections and high-quality hardware for a professional no-leak installation.
Features and Benefits
- Mandrel bent stainless steel tube
- Proprietary JBA Firecone collector
- Factory style emission connections
- Extra thick collector domes
- 3/8" thick machined flanges with Oversized exhaust ports
Product Details
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Part Number: jba1689S
Description: 15-22 Mustang Cat4Ward® 5.0L Raw 409
California Proposition 65: WARNING: This product can expose you to chemicals including chromium, which is know to the State of California to cause cancer or birth defects of other reproductive harm. For more information, visit www.p65warnings.ca.gov
CARB EO #: D-57-45
EmissionFullDES: 1 - This product has been granted a California Air Resources Board (CARB) Executive Order (EO Number) Exemption. It is 50 State Legal when installed on the Specified vehicle per the Manufacturer’s Current Application Guide, the CARB EO, and Installation Instructions.
Prop 65 (C, R or CR): CR
Prop 65 Yes/No: Yes
Catalytic Converter(s) Included: No
Collector Diameter: 2.5
Collector Port Diameter: 2.5
Collector Reducers Included: No
Color: Grey
Design: Shorty
Finish: Uncoated
Flange Thickness: 3/8
Gasket Or Seal Included: Yes
Gaskets Included: Yes
Grade Type: Performance
Header Material: 409 Stainless Steel
Header Style: Shorty
Mounting Hardware Included: Yes
Oxygen Sensor Port: Yes
Primary Tube Outside Diameter: 1.625
Primary Tubing Diameter: 1.625
Sheen Level: Matte
Tube Wall Thickness: 0.059
EGT Port: No
Material: Stainless Steel
Fits: 2015-2022 Ford Mustang (see fitment details).
