-10%
Click to zoom in
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
Read More
Borla
Discover the Borla Exhaust collection, where world-class exhaust products meet the high standards of automotive enthusiasts. Borla is dedicated to exceeding your expectations by utilizing a state-of-the-art test and development center. This facility allows us to continually refine our manufacturing precision and maintain the highest quality standards. Our commitment to innovation is evident through numerous US patents for advanced exhaust design and multiple "Best New Product" awards in the industry. Unmatched Customization What sets Borla apart from other exhaust systems is our vehicle-specific design approach. Each exhaust system is meticulously crafted to accommodate the unique mechanical and acoustical properties of different cars and trucks. We invest countless hours in optimizing various components, such as: Muffler body shapes Internal core configurations Flow dynamics Sound characteristics Exclusive Sound Technologies Borla offers a choice of three exclusive sound techno... View Our Borla Products...
Catback
Explore Our Premium Catback Exhaust Systems Upgrade your ride with our curated selection of premium catback exhaust systems. Designed for drivers who demand both power and style, our catback exhausts deliver an aggressive sound profile, improved horsepower and torque, and a sleek appearance that stands out. Each aftermarket exhaust in our collection is engineered to maximize exhaust flow, giving you noticeable gains in performance and throttle response. Key Features of Our Catback Exhaust Collection: Performance: Unlock extra horsepower and torque through superior exhaust flow. Quality Materials: Crafted from high-grade stainless steel to resist corrosion and ensure long-term durability. Simple Installation: Bolt-on design allows for quick, hassle-free upgrades with minimal tools. Distinctive Sound: Achieve a deeper, more resonant exhaust note that turns heads and enhances your driving experience. Whether you’re looking for a performance exhaust for your daily commute or an ... View Our Catback Products...