SKU: 140121 | UPC: 808422401210
2004-2009 Mazda 3 Cat-Back™ Exhaust System S-Type
The Borla 140121 S-Type Cat-Back Exhaust System delivers aggressive sound and performance gains for 2004-2009 Mazda 3 sedan and hatchback models with 2.3L 4-cylinder engines, automatic or manual transmission. This lighter-than-stock system increases power, torque, fuel economy and engine life through 14% improved airflow across the RPM range. Enjoy the Borla Sound of Power with every throttle press and gear shift.
Key Features
- T-304 Stainless Steel Construction: Aerospace-grade material resists corrosion for long-lasting durability and includes polished 4-inch single left rear exit tip.
- Straight-Through Muffler Design: Provides distinctive Borla exhaust note while delivering measurable power and torque increases on dyno tests.
- 2.5-Inch Tubing Diameter: All-welded mandrel-bent pipes ensure smooth exhaust flow for better throttle response and efficiency.
- Bolt-On Installation: Direct fit with no cutting or welding required, compatible with stock cat-back hangers.
- Million-Mile Warranty: Backed by Borla’s limited lifetime guarantee against defects in materials and workmanship.
Product Notes
- Street-legal design carries EPA-compliant certification for on-road use.
- Lighter weight than OEM exhaust improves handling and acceleration.
- Ships fully assembled in protective packaging to prevent damage.
Installation Notes
- Professional installation recommended.
- Bolt-on system installs in 30-60 minutes with basic hand tools; no drone at highway speeds.
- Hardware and gaskets included for direct OEM replacement.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2004 | Mazda | 3 | i Sedan 2.3L |
| 2004 | Mazda | 3 | s Sedan 2.3L |
| 2004-2009 | Mazda | 3 | Hatchback 2.3L |
| 2005 | Mazda | 3 | SP23 2.3L |
| 2005-2009 | Mazda | 3 | i 2.3L |
| 2005-2009 | Mazda | 3 | s 2.3L |
Why Choose Borla?
- Over 40 years pioneering stainless steel exhaust for street and racing.
- Award-winning patented technology for sound, flow and MPG gains.
- Precision-engineered for exact fitment on Mazda 3 platforms.
Frequently Asked Questions
- Q: Will this fit both automatic and manual Mazda 3 transmissions?
A: Yes, designed for 2004-2009 Mazda 3 2.3L sedan/hatch with automatic or manual; no modifications needed. - Q: What material is used and how does it perform?
A: T-304 stainless steel tubing and tips provide superior corrosion resistance, 14% better airflow than stock for power gains throughout RPM range. - Q: What warranty coverage is included?
A: Million-Mile Warranty covers defects in materials and workmanship for the original owner.
Shipping & Handling
- Method: Free ground shipping on orders over $99
- Availability: In stock – ships same or next business day
- Packaging: Single oversized box measuring 52″ x 14″ x 14″
- Weight: 28 lbs product weight; 35 lbs shipping weight
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