SKU: 11732 | UPC: 808422117326
Borla 1999-2005 Mazda MX-5 Axle-Back Exhaust System S-Type
The Borla 11732 S-Type axle-back exhaust system fits 1999-2005 Mazda MX-5 Miata NB models with 1.8L engines, manual transmission, rear-wheel drive, and 2-door configuration. This rear muffler upgrade delivers increased power and torque, better fuel economy, extended engine life, and the signature Borla Sound of Power. Experience sharper throttle response and a thrilling exhaust note with every drive.
Key Features
- T-304 Stainless Steel Construction: Ensures durability and resistance to corrosion for long-lasting performance.
- Straight-Through Muffler Technology: Patented multi-core design increases exhaust velocity for added horsepower and torque.
- Polished 3.5-inch T-304 Stainless Tip: Single right rear exit adds motorsport styling with precise fit.
- Mandrel-Bent 2.25-inch Tubing: Provides smooth flow from 3.5-inch inlet/outlet for maximum efficiency.
- Million-Mile Warranty: Backed by Borla’s proven reliability in street and racing applications.
Product Notes
- Direct bolt-on replacement for stock muffler; no cutting or welding required.
- Designed for off-road use compliance where applicable.
- Packaged securely to prevent damage during transit.
Installation Notes
- Professional installation recommended.
- Bolt-on design fits factory hangers; uses stock hardware.
- Allow 1-2 hours for basic tools; torque clamps to spec.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1999 | Mazda | Miata | 10th Anniversary |
| 1999-2005 | Mazda | Miata | Base |
| 2000-2005 | Mazda | Miata | LS |
| 2004-2005 | Mazda | Miata | Mazdaspeed |
| 2000-2003 | Mazda | Miata | SE |
| 2003 | Mazda | Miata | Shinsen |
Why Choose Borla?
- Pioneer in stainless steel exhaust since 1978 for classics to modern performance cars.
- Premium T-304 materials outperform lower-grade steels in strength and longevity.
- CNC precision manufacturing guarantees exact fit and peak flow dynamics.
Frequently Asked Questions
- Q: Does this fit automatic transmission Miata models?
A: No, designed exclusively for manual transmission 1.8L NB Miata models 1999-2005. - Q: What material is used for the tip and tubing?
A: Full T-304 stainless steel construction with polished finish on the 3.5-inch tip. - Q: What warranty covers this exhaust?
A: Million-Mile Warranty against defects when installed and maintained properly.
Shipping & Handling
- Method: UPS Ground or FedEx Ground
- Availability: In stock – ships same or next business day
- Packaging: Securely boxed, 38″ x 14″ x 14″ dimensions
- Weight: 14 lbs





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