Features
- Vehicle Fitment: Fits 2014-2018 Mazda 3 models with a 2.0L or 2.5L 4-cylinder engine, front-wheel drive, and 5-door hatchback body
- System Type: Performance axle-back exhaust system
- Exhaust Tone: Borla S-Type sound with a deeper, more aggressive performance character
- Construction: Fully welded premium T-304 stainless steel construction
- Muffler Design: Straight-through muffler technology for efficient exhaust flow
- Tubing: Smooth mandrel-bent stainless steel tubing for improved flow and consistent performance
- Outlet Design: Single split rear exit
- Exhaust Tips: Polished T-304 stainless steel tips
- Manufacturing: Precision CNC-manufactured components for accurate vehicle-specific fitment
- Warranty: Backed by Borla’s Million-Mile Warranty
- Part Number: Borla 11918
Get to Know Borla
Official video from Borla.
Warranty
Borla manufacturer warranty
Borla Million-Mile Warranty on exhaust systems, mufflers and headers for the original purchaser on the original vehicle. Black coatings, tip finishes, carbon fiber parts and valves/actuators are covered for 1 year.
Warranty claims are handled through Truck Army. Contact us and we'll work with the manufacturer for you.
Coverage is provided by the manufacturer under its published terms, which can change. Ask us if you have questions before you buy.
Description
Upgrade the sound and performance of your 2014-2018 Mazda 3 with the Borla 11918 S-Type Axle-Back Exhaust System. Designed for 2.0L and 2.5L 4-cylinder models with front-wheel drive and a 5-door hatchback configuration, this performance exhaust system delivers Borla’s distinctive Sound of Power while maintaining precise vehicle-specific fitment. It is compatible with both automatic and manual transmissions.
Built from premium T-304 stainless steel, the Borla 11918 system is engineered for long-lasting corrosion resistance, strength, and reliable performance. Its fully welded construction, smooth mandrel-bent tubing, and computer-controlled CNC manufacturing promote efficient exhaust flow and accurate installation. The straight-through muffler design helps reduce restriction, allowing increased exhaust velocity and responsive performance without sacrificing everyday drivability.
This Borla S-Type axle-back system features a single split rear exit with polished T-304 stainless steel tips for a clean, performance-focused appearance. Borla’s patented straight-through and multi-core technology is designed to enhance horsepower potential, driving excitement, and exhaust tone. The system is intended for on-road use and is backed by Borla’s Million-Mile Warranty. Professional installation is recommended to ensure proper alignment and secure fitment. This product carries a California Proposition 65 warning related to exposure during certain manufacturing or installation operations.
Fits
Specifications
| Material | T-304 Stainless Steel |
|---|---|
| Exhaust Type | Axle-Back System |
| System Type | Axle Back |
| Muffler Type | Straight-Through |
| Exit Style | Single Split Rear Exit |
| Exit Position | Split Rear |
| Tubing Diameter | 2.000 in. |
| Tip Diameter | 4 in. |
See all specifications
| Construction | All Welded |
|---|---|
| Grade | Performance |
| Off-Road Use Only | No |
| California Prop 65 | WARNING: Cancer and Reproductive Harm - www.p65warnings.ca.gov |