JBA 1650SX 2.5" 409 SS X-Pipe for 1965-1973 Mustang 289/302 1650 Series Headers

Vehicle Fitment

• 1965-1973 Ford Mustang (All trims: Base/Fastback/Coupe/Convertible) with 289 ci (4.7 L) or 302 ci (5.0 L) Small-Block Ford 1650 Series headers

Features

• Mandrel-bent 2.5" 409 stainless steel tubing for optimized exhaust flow
• X-pipe design enhances scavenging and improves mid-range power
• Includes factory-style hangers for direct bolt-on installation
• Provisioned for O2 sensors to support post-header emissions tuning
• Polished mirror-finish for corrosion resistance and style
• Heavy-duty flanges ensure leak-free connections and longevity
• Works with JBA 1650 series or EFI headers for full system compatibility
• Complete hardware kit included for easy installation

Specifications

• Material: 409 stainless steel, polished finish
• Tubing diameter: 2.50" (63.5 mm) mandrel bent
• Flange: heavy-duty OEM-style
• Weight: approx. 28 lbs
• O2 ports: 2 (factory location provisions)
• Installation: bolt-on between shorty/1650 headers and catback
• Emissions: not legal for use on emission-controlled vehicles (pre-1974 only)
• Warranty: 1-year limited

Included Components

• 1x JBA 2.5" 409 SS X-pipe mid-pipe section
• 1x hardware kit (nuts, bolts, gaskets, hangers)
• 1x installation instruction leaflet

Product Description

The JBA 1650SX X-pipe is a direct mid-pipe replacement engineered to complement JBA 1650 series headers on 1965-1973 Mustangs equipped with the iconic 289 or 302 small-block V8s. Constructed from polished 409 stainless steel, this X-pipe enhances exhaust scavenging and improves throttle response and mid-range torque while adding a refined look under the vehicle.

Featuring factory-style hangers and O2 sensor provisions, installation is straightforward and integrates seamlessly with your existing header and catback setup. Designed exclusively for pre-emissions vehicles, this mid-pipe delivers deeper tone, better flow, and reliable performance in a bolt-on package backed by JBA's one-year warranty.