Fits 1986-1993 Ford Mustang 1-3/4 Long Tube 351W Swap Headers (Silver Ceramic)-15690
Fits 1986-1993 Ford Mustang 1-3/4 Long Tube 351W Swap Headers (Silver Ceramic)-15690
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Material: Steel
351W SWAP HEADERS for 1986-1993 Ford MUSTANG 1-3/4 LONG TUBE (POLISHED SILVER CERAMIC)
BBK 1986-1993 Mustang 351W swap Full length headers have been designed specifically for any Mustang enthusiast who wishes to swap out the smaller 302 block for a larger/ taller 351W block based engine. They feature 1-3/4" primaries for maximum performance with 351W or large displacement stroker engines. These full length headers will help give your large displacement Mustang a throaty exhaust note. The ceramic coating adds durability and helps hold in heat to reduce under hood temperatures.
BBK full length Mustang headers are made from 1-3/4" CNC-machined mandrel bent tubing with 3/8" thick die-stamped flanges. The full length primary tube design creates unrestricted and balanced airflow for ultimate horsepower gains. These headers are pressure tested to ensure leak free performance.
BBK long tube headers are designed as a direct bolt on with use of a BBK Performance short mid pipe. Kit includes new gaskets and hardware.
Features:
- 18-25 Horsepower Increase
- Durable Polished Silver Ceramic Finish
- 3/8" Thick Flanges and 16 Gauge Steel Tubing
- For Use on 351W Swap into a Fox Body
- 1-3/4 CNC Mandrel Bent Primary Tubes
- BBK Mid Pipe required for Installation
- Gaskets and Hardware Included
- 3" sized collector with 2.5" opening
Applications:
- For 1986-1993 Ford Mustang (Fox Body)
- Engine: 351W Engine Swap
- Manual Transmission Only! Does NOT fit AOD/E Transmissions!
- For Use With BBK Short Mid Pipes (for H-Pipe see Part Number 1509-BGRW, for X-Pipe see Part Number 1659-BGRW
- These BBK Long Tube Headers require the use of O2 wire harness extensions, these are not included and are recommended for installation, See Part Number 1676-BGRW
Specs:
Add-On Part | 1557; 1503; 8005; 1607; 1676; 1400; 1509; 1659 |
---|---|
Prop 65 Yes/No | Yes |
Tube Wall Thickness | 16 Gauge |
Collector Port Diameter | 2.75 in |
Color | Silver |
Finish | Polished Silver Ceramic |
Gasket Or Seal Included | Yes |
Material | Mild Steel |
Mounting Hardware Included | Yes |
Oxygen Sensor Port | Yes |
Port Shape | Oval |
Emissions:
- This part is NOT C.A.R.B Approved and cannot be installed for use on any emission controlled vehicle in California, Colorado, or New York.
- It cannot be sold or shipped to any California, Colorado, or New York resident or addressee.

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Return Policy
Fault reasons include but are not limited to:
- Buyer was shipped the wrong product
- Buyer was shipped a damaged product
- The product page had incorrect fitment and the part does not fit the Buyer's vehicle
Opened boxes, plastic bags, and other packaging are not considered damage (excluding single use items such as, but not limited to, liquids, software, and other components that cannot be reused/resealed).
FAQs
|Q. What is an Intermediate Brake Line?
|A. This is the line that runs from the front of the vehicle to the rear. On most vehicles it connects to a junction then you will have rear axle lines. On a few cars the intermediate lines will connect to the rear wheels. It is recommended to change the axle lines if you are replacing the intermediate lines.
|Q. What is included in a pre bent brake line kit?
|A. Our kits include all of the solid metal lines for that section of the vehicle
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Modern Day stands by our parts and is happy to accept returns within 30 days of purchase. Parts must be in new condition.
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If a part arrives damaged, or is defective, Please report it to us immediately. So we can handle it for your promptly.