Borla / Exhaust Systems

Borla Mustang Cobra IRS Cat-Back Exhaust (1999–2004)

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£1,270.75 VAT included. Shipping calculated for your destination.

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Delivery, customs and taxes Know the landed cost before you order

Prices include VAT. Shipping is charged separately and calculated at checkout for your destination. If no shipping option is shown, contact us for a quote before ordering.

Lead times and urgent orders Check timing before you commit

Estimated lead time: 4–6 weeks. Delivery may be faster depending on stock levels. Contact us before ordering if timing matters.

Fitment checked before you order

Send the vehicle, engine and current setup if you want us to confirm the exact application before checkout.

Borla Mustang Cobra IRS Cat-Back Exhaust (1999–2004). Select the part number that matches the application and exhaust configuration below.

Requires independent rear suspension and the listed 4.6L V8/manual configuration. Requires independent rear suspension. Match the actual 4.6L or 5.4L V8 and manual configuration.

Technical specifications

Specification Details
Product Cat-Back Exhaust System
Pipe Diameter 140052: 2.5"; 140446: 2.25" into 2.5"
Tip Size 4"
Tip Exit Single Split Rear Exit

Vehicle applications

Years Model Engine Trim / configuration Body Drive Transmission Matching SKUs Fitting conditions
1999–2004 Ford Mustang New Edge 4.6L V8 petrol Cobra 2-door Coupe RWD Manual 140052 Requires independent rear suspension and the listed 4.6L V8/manual configuration.
1999–2004 Ford Mustang New Edge 4.6L V8 petrol Cobra 2-door Convertible RWD Manual 140052 Requires independent rear suspension and the listed 4.6L V8/manual configuration.
1999–2004 Ford Mustang New Edge 4.6L V8 petrol Cobra 2-door Coupe RWD Manual 140446 Requires independent rear suspension. Match the actual 4.6L or 5.4L V8 and manual configuration.
1999–2004 Ford Mustang New Edge 4.6L V8 petrol Cobra 2-door Convertible RWD Manual 140446 Requires independent rear suspension. Match the actual 4.6L or 5.4L V8 and manual configuration.
1999–2004 Ford Mustang New Edge 5.4L V8 petrol Cobra 2-door Coupe RWD Manual 140446 Requires independent rear suspension. Match the actual 4.6L or 5.4L V8 and manual configuration.
1999–2004 Ford Mustang New Edge 5.4L V8 petrol Cobra 2-door Convertible RWD Manual 140446 Requires independent rear suspension. Match the actual 4.6L or 5.4L V8 and manual configuration.

Available variants

Part number Sound and engine application
140052 S-Type, 4.6L V8
140446 ATAK, 4.6L / 5.4L V8

Installation and care

  • 140052: Models with Independent Rear Suspension
  • 140052: The Cat-Back™ system (PN 140052) is full dual with 2.5" aerospace grade high-quality T-304 austenitic stainless steel mandrel bends and generates a straight-through performance based exhaust flow that not only brings the best out of the Cobra Mustang but also gives that extra capacity for additional aftermarket performance upgrades down the road.
  • 140446: Fits models with Independent Rear Suspension

Use Borla’s instructions for the selected part number before fitting.

Delivery, customs and taxes

Know the landed cost before you order

Prices include VAT. Shipping is charged separately and calculated at checkout for your destination. If no shipping option is shown, contact us for a quote before ordering.

Lead times and urgent orders

Check timing before you commit

Estimated lead time: 4–6 weeks. Delivery may be faster depending on stock levels. Contact us before ordering if timing matters.

Fitment first

Check fit before you order

Model year, engine, drivetrain, hardware and existing modifications can all change what fits. Check the applications and supplier notes above, or send us your exact vehicle and setup before ordering.

Check vehicle fitment
Need help with this product?

Send us your vehicle, year, current setup and any fitting date, event, trip or deadline before ordering. We will help check fitment, product choice and timing.

Borla Mustang Cobra IRS Cat-Back Exhaust (1999–2004)
Borla Mustang Cobra IRS Cat-Back Exhaust (1999–2004)S-Type, 4.6L V8
Available to Order £1,270.75