This Borla cat-back exhaust system is built for the verified 1990-1997 Mazda MX-5 Miata Base application listed below. Select it by exact manufacturer part number 14411 and confirm the full engine, drivetrain, body, wheelbase, factory-exhaust, and Borla application notes before ordering.

Key Features

• 2.000 in. Tubing Diameter: Mandrel bends ensure smooth flow, reducing backpressure and unlocking hidden engine potential.
• T-304 Stainless Steel Construction: Premium material outperforms T-400 series for lasting durability and resistance to corrosion in all conditions.
• Polished 2.5 in. T-304 Stainless Tips: Single right rear exit adds motorsport styling with a precision finish that shines under any light.
• Straight-Through Muffler Technology: Patented multi-core design increases exhaust velocity for added power, torque, and responsive performance.
• Direct bolt-on replacement for stock cat-back section, no cutting or welding required.
• Bolt-on fit using factory hangers; includes all necessary clamps and hardware.

Fitment

Specifications

What’s Included

One new Borla product identified by manufacturer part number 14411. 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

• Borla 06-14 Mazda MX-5 Miata 2.0L RWD Twin-Tip Cat Back Exhaust
• Borla 95-97 Toyota Land Cruiser 4dr 4.5L 6cyl AT 4spd 4WD SS Catback Exhaust System
• Borla 97-04 Chevrolet Corvette 5.7L 8cyl ATAK SS Catback Exhaust

Browse the Borla collection for related exhaust systems and components.

Frequently Asked Questions

Will this Borla part fit my 1990-1997 Mazda MX-5 Miata 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.