Borla 03 Thunderbird 3.9L V8 AT RWD 2 DR Catback Exhaust

This Borla cat-back exhaust system is built for the verified 2003 Ford Thunderbird Base application listed below. Select it by exact manufacturer part number 140081 and confirm the full engine, drivetrain, body, wheelbase, factory-exhaust, and Borla application notes before ordering.

Key Features

• 2.250 Inch Mandrel-Bent Tubing: Ultra-smooth bends promote maximum exhaust flow for power increases and quicker revs.
• T-304 Stainless Steel Construction: Premium material resists corrosion for lasting durability and performance in all conditions.
• Polished 4-Inch T-304 Stainless Steel Tips: Split rear exit styling adds aggressive appearance with single split rear configuration.
• System weighs 42 lbs for balanced performance without excess bulk.
• Ships in one oversized box measuring 48 x 20 x 16 inches.
• Bolt-on design uses factory hangers and mounts for straightforward fit.

Fitment

Specifications

What’s Included

One new Borla product identified by manufacturer part number 140081. Clamps, hangers, gaskets, tips, pipes, tools, and companion parts are included only when expressly listed for this exact part number.

About Borla

Borla develops stainless-steel exhaust systems, mufflers, tips, pipes, and related components for vehicle-specific and universal performance applications. Product selection remains exact-application and exact-part-number specific.

Related Borla Products

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Browse the Borla collection for related exhaust systems and components.

Frequently Asked Questions

Will this Borla part fit my 2003 Ford Thunderbird Base?
That application is listed, but confirm the engine, drivetrain, body or cab style, wheelbase, factory exhaust layout, tip opening, and every Borla application note before ordering.

Will this change require an engine tune?
A cat-back, axle-back, tip, muffler, or post-catalyst component usually does not require tuning, but confirm the exact application, emissions configuration, oxygen-sensor locations, and local requirements before installation.

What should I inspect before installation?
Check the shipping carton and components against the exact part number, then inspect clamps, hangers, gaskets, mating flanges, clearances, tip alignment, and required reused factory hardware before removing the original exhaust.

Installation Instructions

Follow the current Borla instructions and vehicle service information for this exact part number. Let the exhaust cool, support the vehicle safely, compare all parts before removal, protect sensors and wiring, use the specified clamps and torque values, align all joints and tips without preload, confirm body and suspension clearance, check for leaks, and retorque after the first heat cycles. Professional installation is recommended.