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Borla Mazda3 Catback Exhaust-Borla-BOR140121
Borla Mazda3 Catback Exhaust-Borla-BOR140121
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Borla Mazda3 Catback Exhaust

Borla
BOR140121
808422401210
Catback
11 Units In Stock - Ships Next Business Day
$ 995.99 $ 888.99
FREE Ground Shipping!
$ 888.99

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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