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Ships within 48 hours · Estimated delivery Jul 18 - Jul 23
For Your Every Summer RSVP, with Code: SUMMER15
Description
Borla 11970BC - Axle-Back Exhaust System S-TypeBORLA(r) presents their Axle Back system for the fourth generation Mazda 3 Hatchback. The exhaust system replaces the stock rear muffler and is a direct bolt on part for ease of installation. Specifically tuned for the 2. 5L Skyactiv engine, our S Type Axle Back delivers a sportier sound and a more exciting driving experience without any drone. It features 4" Black Chrome on T 304 stainless steel exhaust tips that properly fill out the rear bumper
BORLA(r) presents their Axle-Back system for the fourth generation Mazda 3 Hatchback. The exhaust system replaces the stock rear muffler and is a direct bolt-on part for ease of installation. Specifically tuned for the 2.5L Skyactiv engine, our S-Type Axle-Back delivers a sportier sound and a more exciting driving experience without any drone. It features 4" Black Chrome on T-304 stainless steel exhaust tips that properly fill out the rear bumper cutouts. Using BORLA(r) Stainless Steel Polish p# 21461 is NOT recommended with these black chrome tips. We suggest cleaning the tips with hot water and a microfiber cloth. Bright Chrome tips are also available. Ultra-smooth mandrel bends ensure maximum flow & power, and precision computer numerical control (CNC) manufacturing ensures an accurate fit. As you can expect from BORLA(r), the exhaust is constructed using T-304 stainless steel and comes with a Million-Mile Warranty. Give your Mazda 3 the sound it deserves, bolt on a BORLA(r)., System Features:, Axle-Back Exhaust System, S-Type Sound Level, T-304 Stainless Steel Construction, 2.5" to dual 2" Pipe Diameter, 4" Black Chrome On T-304 Stainless Steel Tips, No-Drone, Million Mile Warranty
Specifications:
| Description_ASM | 2019-2022 Mazda 3 Hatchback 2.5L 4 Cyl. Naturally Aspirated/ '21-'22 Turbo Automatic/ Manual Transmission Front Wheel Drive/ All Wheel Drive 4 Door. |
| Description_DEF | Exhaust System Kit |
| Description_DES | Axle-Back Exhaust System - S-Type |
| Description_EXT | S-Type Axle-Back Exhaust System 2019-2022 Mazda 3 Hatchback 2.5L 4 Cyl. Naturally Aspirated/ '21-'22 Turbo Automatic/ Manual Transmission Front Wheel Drive/ All Wheel Drive 4 Door. |
| Description_INV | Borla(r) Axle-Back System |
| Description_MKT | BORLA(r) presents their Axle-Back system for the fourth generation Mazda 3 Hatchback. The exhaust system replaces the stock rear muffler and is a direct bolt-on part for ease of installation. Specifically tuned for the 2.5L Skyactiv engine, our S-Type Axle-Back delivers a sportier sound and a more exciting driving experience without any drone. It features 4" Black Chrome on T-304 stainless steel exhaust tips that properly fill out the rear bumper cutouts. Using BORLA(r) Stainless Steel Polish p# 21461 is NOT recommended with these black chrome tips. We suggest cleaning the tips with hot water and a microfiber cloth. Bright Chrome tips are also available. Ultra-smooth mandrel bends ensure maximum flow & power, and precision computer numerical control (CNC) manufacturing ensures an accurate fit. As you can expect from BORLA(r), the exhaust is constructed using T-304 stainless steel and comes with a Million-Mile Warranty. Give your Mazda 3 the sound it deserves, bolt on a BORLA(r)., System Features:, Axle-Back Exhaust System, S-Type Sound Level, T-304 Stainless Steel Construction, 2.5" to dual 2" Pipe Diameter, 4" Black Chrome On T-304 Stainless Steel Tips, No-Drone, Million Mile Warranty |
| Description_SHO | Axle-Back System |
| Description_SLA | S-Type Axle-Back Exhaust System; 2.5 in. Pipe Into Dual in. Pipe; 4 in. Single Round Rolled Angle Cut Tip; Single Split Rear Exit; T-304 Stainless Steel; |
Shipping Notes
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
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4.8 ★★★★★
Based on 24 reviews
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Product Reviews
★★★★★ 5
Great filter at Great price.
Pattern Name: 14x14x1, Style: Merv 8
Prefect fit and works great. We have these on subscription to match our system filter replacement reminder.
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Reviewed in the United States on May 20, 2026
★★★★★ 5
⭐️⭐️⭐️⭐️⭐️ I can breathe again — and my house says thank you 😂
Pattern Name: 20x20x1, Style: Merv 11
⭐️⭐️⭐️⭐️⭐️ I can breathe again — and my house says thank you 😂
These Amazon Basics MERV 11 air filters have been a game changer for my HVAC system. I installed them and immediately felt like my home went from “dust tornado aftermath” to “spa-day air vibes.” Whether it’s pollen, pet hair, or mystery dust bunnies lingering in the corners, these filters make the air feel noticeably cleaner and fresher.
Installation was about as easy as ripping plastic wrap off a new gadget — pop out the old filter, slide these in, and suddenly the air quality goes from “huh?” to “ahhh.” The electrostatic pleated design grabs everything from sneaky dust motes to pet dander like a champ, and I can actually tell when the AC kicks on that the air feels crisper — in a good way. 🌬️
Between the six count and the solid MERV rating, this was a smart purchase that keeps my HVAC happy and my allergies way more manageable. If you want clean air without the hassle, these filters are a fantastic value and really get the job done. Highly recommend!
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Reviewed in the United States on February 26, 2026
★★★★★ 4
Good, I think.
Pattern Name: 16x25x1, Style: Merv 11
Not my area of expertise but wanted something with a thicker filter and these seem to be doing well. They last 3+ months before discoloration is noticeable to the point you’d think it’s time to put in a new filter. The 6-pack price can’t be beat, truly. Easily installed and used, fits perfect to size and looks clean. Unknown relief on allergies so far since it’s been winter but I’m optimistic.
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Reviewed in the United States on April 1, 2026
★★★★★ 5
Better quality that name brand hardware store
Pattern Name: 20x20x1, Style: Merv 11
These are a great value for a multi-pack. They fit perfectly in the vent and you can definitely notice the difference in air quality. It’s much easier to just have a stack of these on hand so I can swap them out regularly without a trip to the store.
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Reviewed in the United States on May 15, 2026
★★★★★ 5
Great value filters – do the job well
Pattern Name: 12x12x1, Style: Merv 8
These filters are a great value for the price, especially getting a 6-pack. They fit perfectly (just keep in mind the actual size listed), and installation is quick and easy.
I’ve been using them regularly and they do a solid job catching dust and keeping the air clean without restricting airflow. Good balance between filtration and performance.
Nice to have multiple on hand so I can swap them out regularly without thinking about it. I’ll definitely keep buying these.
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Reviewed in the United States on April 14, 2026