JBA 1650-1ST 2.5" Stainless EFI Starter Tubes for 1965-1973 Ford Mustang 5.0L

Vehicle Fitment

• 1965-1973 Ford Mustang (5.0L EFI, classic large-block or small-block swaps)

Fitment Notes

• Starter tubes for EFI headers; connects header collector to mid-pipe
• Requires existing JBA headers or compatible 2.5" exhaust setup
• Designed for Mustangs with EFI conversion on vintage chassis
• Proper motor mount and engine placement needed for header fitment clearance

Features

• 2.5" mandrel-bent stainless steel tubing for smooth exhaust flow
• Heavy-duty flanges and factory-style hangers included
• Integrated O2 sensor provisions for EFI tuning compatibility
• Durable 409 stainless resists corrosion
• Polished finish offers clean under-car appearance
• Enhances performance and sound when paired with matching JBA headers
• Universal fit for classic Mustang EFI exhaust systems
• Simple bolt-on installation--no welding required

Specifications

• Tube Diameter: 2.5" (63.5 mm)
• Material: 409 stainless steel, mandrel-bent
• Quantity: Pair of starter tubes
• Finish: Polished natural stainless
• Flange Style: 2-bolt header collectors
• Includes: O2 bung and exhaust hanger provisions

Included Components

• 2x Starter tube assemblies (JBA 1650-1ST)
• 2x Factory-style exhaust hangers welded on
• 2x 2-bolt flange connections

Product Description

The JBA 1650-1ST Stainless EFI Starter Tubes are designed to bridge the gap between JBA headers and mid-pipes on 1965-1973 Ford Mustangs converted to EFI. Featuring 2.5" mandrel-bent stainless steel and quality flanges, these tubes ensure smooth exhaust flow and reliable O2 sensor support for tuning.

Manufactured from durable 409 stainless and polished for clean styling, the tubes come fully equipped with hangers and O2 bungs. Installation is straightforward with JBA header systems or similar 2.5" setups, though attention to motor mount and engine placement is advised to avoid header clearance issues. These starter tubes offer a bolt-on exhaust solution optimized for classic Mustang EFI performance builds.