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A Sportier Sound Without the Drone: Borla 11982 S-Type Axle Back for 2019-2023 Mazda 3
The Borla BOR11982 is the S-Type Axle-Back exhaust system engineered specifically for the 2019-2023 Mazda 3 Sedan with the 2.5L Skyactiv four-cylinder engine, covering both naturally aspirated and 2021+ turbocharged variants in front-wheel and all-wheel drive configurations.
Using Borla's patented straight-through multicore technology, the BOR11982 replaces the factory muffler with a 2.25-inch primary system feeding into dual 2-inch pipes, exiting through 4-inch round polished chrome tips on T-304 stainless steel.
The result is a noticeably sportier tone specifically tuned to the 2.5L Skyactiv engine to eliminate drone under cruising conditions while delivering a satisfying exhaust note under acceleration. Borla backs the BOR11982 with their renowned Million-Mile Warranty.
Key Features
- Borla BOR11982 S-Type Axle-Back for 2019-2023 Mazda 3 Sedan 2.5L NA and 2021+ 2.5L Turbo
- Patented straight-through multicore technology for drone-free performance sound on the Mazda 3
- T-304 stainless steel construction throughout BOR11982 for maximum corrosion resistance and longevity
- 4-inch round polished chrome exhaust tips on T-304 stainless steel included
- 2.25-inch primary pipe diameter transitioning to dual 2-inch exit for proper flow tuning
- Covers FWD and AWD 2019-2023 Mazda 3 Sedan variants
- Direct bolt-on installation replaces the factory rear muffler only
- Borla Million-Mile Warranty included with BOR11982
Fitment
| Year Range | Make | Model | Trim |
|---|---|---|---|
| 2019-2023 | Mazda | Mazda 3 | 2.5L NA Sedan FWD/AWD |
| 2021-2023 | Mazda | Mazda 3 | 2.5L Turbo Sedan FWD/AWD |
Specifications
| Detail | Value |
|---|---|
| Part Number | BOR11982 |
| Manufacturer | Borla |
| System Type | S-Type Axle-Back |
| Primary Pipe Diameter | 2.25 inches |
| Exit Pipe Diameter | Dual 2 inches |
| Tip Style | 4-inch Round Polished Chrome on T-304 SS |
| Exit Configuration | Single Split Rear Exit |
| Material | T-304 Stainless Steel |
| Warranty | Million-Mile |
| Boxed Weight | 28.6 lbs |
| Box Size | 37 x 21 x 13 inches |
| UPC | N/A |
What's Included
- Borla BOR11982 S-Type axle-back muffler assembly
- 4-inch round polished chrome T-304 SS exhaust tips
- Required mounting hardware and clamps
About Borla
Borla Performance Industries has been producing premium exhaust systems in the United States since 1978. Borla's patented straight-through multicore technology and exclusive use of T-304 aircraft-quality stainless steel set the standard for performance exhaust manufacturing. Their Million-Mile Warranty reflects the confidence Borla places in every product they build. Borla offers multiple sound levels across their Cat-Back and Axle-Back lineup to suit everything from street-focused daily drivers to track-ready performance builds.
Frequently Asked Questions
What is the BOR11982?
The BOR11982 is the Borla S-Type Axle-Back exhaust system for the 2019-2023 Mazda 3 Sedan with the 2.5L Skyactiv engine. It uses T-304 stainless steel construction, 4-inch polished chrome tips, and Borla's patented straight-through multicore technology for a drone-free performance exhaust tone. The BOR11982 is covered by Borla's Million-Mile Warranty.
Does the BOR11982 fit both FWD and AWD Mazda 3 Sedans?
Yes. The Borla BOR11982 is designed to fit both front-wheel drive and all-wheel drive versions of the 2019-2023 Mazda 3 Sedan with the 2.5L Skyactiv four-cylinder engine, including both naturally aspirated and 2021+ turbocharged variants.
Will the BOR11982 cause drone on the Mazda 3?
Borla specifically tuned the BOR11982 for the 2.5L Skyactiv engine to minimize drone during highway cruising. Borla's patented straight-through multicore technology is engineered to deliver a sportier sound under acceleration without the interior resonance issues common to lower-quality exhaust systems.
Is the BOR11982 a bolt-on installation on the Mazda 3?
Yes. The BOR11982 is a direct bolt-on system designed to replace the factory rear muffler on the 2019-2023 Mazda 3 Sedan without requiring any cutting or welding. Most installations can be completed in under two hours with basic hand tools.
What tips come with the Borla BOR11982?
The BOR11982 includes 4-inch round polished chrome tips constructed from T-304 stainless steel. A black chrome tip version of this exhaust is also available as the BOR11982BC.
What warranty comes with the BOR11982?
The Borla BOR11982 is backed by the Borla Million-Mile Warranty, which covers defects in materials and workmanship for the life of the original purchaser's vehicle.
Does the BOR11982 fit the Mazda 3 Turbo?
Yes. The BOR11982 is specifically listed as compatible with the 2021-2023 Mazda 3 Sedan 2.5L Turbo variant in both FWD and AWD configurations, in addition to the naturally aspirated 2019-2023 2.5L models.
How loud is the Borla BOR11982 on the Mazda 3?
The S-Type designation places the BOR11982 at a moderate sport sound level. It is louder and sportier than the factory exhaust but notably less aggressive than Borla's ATAK lineup. Real-world user feedback describes it as clearly audible and satisfying under throttle while remaining livable for daily driving.
Installation Instructions
- Allow the exhaust system to cool completely before beginning work.
- Safely lift the vehicle and support on jack stands.
- Locate and loosen the factory exhaust connection at the forward flange of the axle-back section.
- Remove any rubber hangers holding the factory muffler in place.
- Slide the factory muffler and tip assembly off and set aside.
- Slide the BOR11982 axle-back system into position onto the intermediate pipe.
- Hang the system on the rubber isolators provided.
- Torque the flange clamp or band clamp to specification ensuring a leak-free seal.
- Check all connections and hangers for proper alignment before lowering the vehicle.
- Lower the vehicle and start the engine. Inspect for exhaust leaks and verify tip alignment.
WARNING: This product can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and reproductive harm. For more information go to www.P65Warnings.ca.gov.
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