Borla 19-21 Mazda 3 Hatchback 2.0/2.5L NA S-Type Axle-back Black Chrome Tips

This Borla axle-back exhaust system is built for the verified 2019-2020 Mazda 3 Base application listed below. Select it by exact manufacturer part number 11970BC and confirm the full engine, drivetrain, body, wheelbase, factory-exhaust, and Borla application notes before ordering.

Key Features

• Mandrel Bent Tubing: 2.5-inch to dual 2-inch diameter promotes maximum exhaust flow for power gains.
• S-Type Sound Level: Delivers aggressive exhaust note for thrilling drive with zero drone on highway or daily commutes.
• 4 Black Chrome T-304 SS Tips: Precision-formed to fill rear bumper cutouts perfectly for motorsport styling.
• Direct bolt-on design; no cutting or welding required, typically 30-60 minutes.
• Two decades pioneering stainless steel exhaust for street and racing vehicles.
• Ultra-smooth mandrel bends and CNC engineering for perfect flow and fit.

Fitment

Specifications

What’s Included

One new Borla product identified by manufacturer part number 11970BC. 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 19-23 Mazda 3 NA / 21-23 Mazda 3 Turbo S-Type Axle Back Exhaust w/ 4in Black Tips
• Borla 19-23 Mazda 3 NA / 21-23 Mazda 3 Turbo S-Type Axle Back Exhaust w/ 4in Tips
• Borla 18-19 Ford Mustang GT 5.0L AT/MT 2.5in S-Type Axle Back Exhaust w/ Valves – Black Chrome Tips

Browse the Borla collection for related exhaust systems and components.

Frequently Asked Questions

Will this Borla part fit my 2019-2020 Mazda 3 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.