10 Best Ford Explorer ST Cat-Back Exhausts for 2026: Deep Tone, Better Flow, and Street-Ready Fitment

Written by: Editor In Chief
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Choosing the right exhaust can completely change how your Explorer ST feels on the road. The best systems sharpen the sound, improve flow, and match your daily-driving goals.

Below, we focus on fitment, tone, construction, and value so you can narrow down the right Ford Explorer ST cat back exhaust without sorting through unnecessary specs.

Best 10 Ford Explorer St Cat Back Exhaust Picks for 2026

Premium Stainless Pick

BORLA 140821CF Cat-Back Exhaust

BORLA 140821CF Cat-Back Exhaust
  • T-304 stainless steel build
  • Bolt-on installation
  • All-welded construction

Best For: Drivers wanting a premium BORLA cat-back for compatible Explorer ST applications

Touring Comfort Choice

AWE Exhaust Suite for Explorer ST

AWE Exhaust Suite for Explorer ST
  • Touring Edition exhaust
  • Vehicle-specific fit for 2020-2024 ST
  • 30-day issue support mentioned

Best For: Drivers who want a touring-style Explorer ST exhaust suite

Hybrid-Specific Fit

BORLA 140894 Cat-Back Exhaust

BORLA 140894 Cat-Back Exhaust
  • Hybrid-only application
  • T-304 stainless steel build
  • Bolt-on with extra trim/hanger work

Best For: Hybrid Explorer ST/Platinum PHEV owners with the matching AWD setup

Value-Performance Upgrade

MBRP Dual Rear Exit Cat-Back

MBRP Dual Rear Exit Cat-Back
  • 2.5-inch dual rear exit design
  • Quad 4-inch tips
  • Performance-focused fit for 20-21 ST

Best For: Owners of 20-21 Explorer STs wanting a performance-style dual-exit system

Street-Ready Performance

aFe MACH Force-Xp 304 Stainless Cat-Back

aFe MACH Force-Xp 304 Stainless Cat-Back
  • 304 stainless steel build
  • Fits Ford Explorer ST 20-22 3.0L
  • Black tip finish

Best For: Explorer ST owners wanting a direct-fit stainless cat-back with a black tip

Balanced Dual Exit Upgrade

MBRP 2.5in Dual Rear Exit Carbon Fiber Tips

MBRP 2.5in Dual Rear Exit Carbon Fiber Tips
  • 304 stainless steel cat-back
  • 2.5-inch tubing with dual rear exit
  • Bolt-on fit for 20-21 Explorer ST

Best For: Drivers wanting a dual rear exit stainless cat-back with carbon fiber tips

Heavy-Duty Stainless Build

Stainless Works Explorer ST Cat-Back

Stainless Works Explorer ST Cat-Back
  • Vehicle-specific Ford Explorer ST fit
  • Cat-back exhaust system
  • Heavy 100-pound system

Best For: Buyers wanting a dedicated Explorer ST stainless cat-back

Premium Split-Exit Stainless Upgrade

BORLA 140820BC for 2020-2023 Ford Explorer ST

BORLA 140820BC for 2020-2023 Ford Explorer ST
  • T-304 stainless steel construction
  • Bolt-on install with all welded construction
  • Dual split rear exit with black chrome tips

Best For: Explorer ST owners wanting a premium stainless cat-back with a split rear exit

Classic Sound Factory-Tip Option

BORLA 140659 for 2016-2017 Ford Explorer Sport

BORLA 140659 for 2016-2017 Ford Explorer Sport
  • T-304 stainless steel construction
  • Bolt-on install with all welded construction
  • Tips not included; uses factory valance/tips

Best For: Explorer Sport owners who want a Borla cat-back and plan to keep factory tips

Track-Ready ATAK Split-Exit Setup

BORLA 140821BC for 2020-2023 Ford Explorer ST

BORLA 140821BC for 2020-2023 Ford Explorer ST
  • ATAK performance exhaust tuning
  • T-304 stainless steel construction
  • Bolt-on install with no drone guarantee

Best For: Drivers wanting the most aggressive Borla cat-back for compatible Explorer ST models

Premium Stainless Pick – BORLA 140821CF Cat-Back Exhaust

If you’re shopping for a ford explorer st cat back exhaust with a polished, performance-first feel, the BORLA 140821CF is built around T-304 stainless steel, all-welded construction, and a bolt-on fit for 2020-2023 Explorer ST, Explorer Platinum, and Lincoln Aviator AWD/RWD applications. It is a straightforward option for buyers who want a premium cat-back from a brand known for a classic BORLA sound.

Best For: Drivers who want a stainless, bolt-on cat-back from BORLA for compatible 3.0L EcoBoost applications.

Pros:

  • T-304 stainless steel construction.
  • Bolt-on installation for easier fitting.
  • All-welded design.
  • Made in the USA.

Cons:

  • Fitment is limited to specific 2020-2023 AWD/RWD applications.
  • Sound is described generally as BORLA’s classic sound rather than a specific tone profile.

This is a strong pick if material quality and installation simplicity matter most. It stays focused on the basics: stainless construction, welded durability, and a direct-fit layout for the right vehicles.

Touring Comfort Choice – AWE Exhaust Suite for Explorer ST

For a ford explorer st cat back exhaust aimed at a more refined daily-driving setup, the AWE Exhaust Suite for the 2020-2024 Explorer ST is positioned as a Touring Edition exhaust. The listing emphasizes vehicle-specific fit and a full exhaust suite format, making it a practical option for owners who want an exhaust upgrade centered on the Explorer ST platform.

Best For: Explorer ST owners looking for a touring-style exhaust suite with vehicle-specific fitment.

Pros:

  • Designed for 2020-2024 Ford Explorer ST.
  • Touring Edition exhaust focus.
  • Vehicle-specific fit type.
  • Backed by a manufacturer contact and a 30-day issue window.

Cons:

  • Listing does not provide detailed sound or material specifics.
  • Heavy package at 110 pounds.

This option makes sense if you want a purpose-built Explorer ST exhaust and prefer a touring-oriented product description over an aggressive, highly detailed spec sheet. The fitment callout is the main value here.

Hybrid-Specific Fit – BORLA 140894 Cat-Back Exhaust

If you need a ford explorer st cat back exhaust for a hybrid configuration, the BORLA 140894 is specifically called out for 2019-2024 Explorer ST/Platinum PHEV 3.0 AT AWD use. The listing also notes that it is not available in North America, is hybrid only, and requires trim/rear-valve and bending-hanger work on the BORLA muffler assembly, so it is clearly aimed at a narrow fitment window.

Best For: Hybrid-only buyers needing a BORLA cat-back for compatible Explorer ST/Platinum PHEV AWD vehicles.

Pros:

  • Fitment is tailored to 2019-2024 Explorer ST/Plat. PHEV AWD.
  • T-304 stainless steel construction.
  • Bolt-on installation.
  • All-welded construction and Made in USA notes.

Cons:

  • Hybrid-only fitment limits compatibility.
  • Not available in North America per the listing.
  • Requires trimming and hanger bending during install.

This is a specialized pick rather than a broad-market one, but that specificity is exactly the point. If your vehicle matches the hybrid application, it brings the same BORLA stainless and welded construction themes with extra installation considerations.

Value-Performance Upgrade – MBRP Dual Rear Exit Cat-Back

For shoppers comparing a ford explorer st cat back exhaust with a performance-on-a-budget angle, the MBRP S5205AL is a 2.5-inch aluminized steel cat-back with a dual rear exit and quad 4-inch tips. The listing highlights improved torque and horsepower, lower exhaust gas temperatures, and increased throttle response, which makes it easy to see the performance intent behind the design.

Best For: Buyers who want a dual rear exit cat-back with performance-focused claims and aluminized steel construction.

Pros:

  • 2.5-inch dual rear exit layout.
  • Quad 4-inch tips.
  • Performance claims include improved torque, horsepower, and throttle response.
  • Bolt-on installation.

Cons:

  • Aluminized steel is not as corrosion-resistant as stainless steel.
  • Fitment is listed for 20-21 Explorer ST only.

This MBRP setup is the most clearly performance-oriented of the group, especially if you want the dual-exit look and the listed power/response benefits. The tradeoff is narrower fitment and less premium material than the stainless options above.

Street-Ready Performance – aFe MACH Force-Xp 304 Stainless Cat-Back

If you’re shopping for a ford explorer st cat back exhaust and want a stainless-steel system with a black tip finish, this aFe Power MACH Force-Xp is built for the 2020-2022 Explorer ST 3.0L. It’s a vehicle-specific cat-back setup, so it’s aimed at owners who want a direct-fit upgrade rather than a universal solution.

Best For: Explorer ST owners who want a 304 stainless cat-back with a black tip and a specific 20-22 fitment.

Pros:

  • 304 stainless steel construction
  • Direct fit for Ford Explorer ST 20-22 V6 3.0L
  • Black tip finish for a clean look
  • Vehicle-specific cat-back design

Cons:

  • Heavy system at 96 pounds
  • Package size is large at 47 x 24 x 12 inches
  • Fitment is limited to the listed model years and engine

This is a solid choice if you want a stainless, purpose-built exhaust for the Explorer ST and care about a black-tip appearance. The main tradeoff is weight, but the fitment and material spec make it a straightforward option to shortlist.

Balanced Dual Exit Upgrade – MBRP 2.5in Dual Rear Exit Carbon Fiber Tips

For shoppers comparing a ford explorer st cat back exhaust, this MBRP system stands out with 304 stainless steel tubing, a 2.5-inch cat-back design, and dual rear exit routing. The listed carbon fiber quad tips and bolt-on installation make it a practical pick for owners who want a specific fit and a cleaner upgrade path.

Best For: Explorer ST drivers who want a dual rear exit cat-back with carbon fiber quad tips and bolt-on fitment.

Pros:

  • 304 stainless steel construction
  • 2.5-inch cat-back tubing
  • Dual rear exit layout with 4-inch tips
  • Bolt-on, vehicle-specific fit

Cons:

  • Fitment is listed for 20-21 Ford Explorer ST only
  • Warranty description is only 30 days
  • Carbon fiber tip material may not suit every taste

This MBRP setup is a strong middle-ground option if you want stainless hardware, a dual-exit look, and vehicle-specific installation. Just make sure your model year matches, since the fitment window is narrower than some alternatives.

Heavy-Duty Stainless Build – Stainless Works Explorer ST Cat-Back

If your search for a ford explorer st cat back exhaust is centered on a full stainless system with vehicle-specific fitment, this Stainless Works option is worth a look. The product listing identifies it as a cat-back exhaust system compatible with the Ford Explorer ST, making it a straightforward choice for shoppers focused on model-specific replacement.

Best For: Explorer ST owners who want a vehicle-specific stainless cat-back from Stainless Works.

Pros:

  • Designed for Ford Explorer ST compatibility
  • Cat-back exhaust system
  • Vehicle-specific fitment
  • Includes main component only

Cons:

  • Very heavy at 100 pounds
  • Package contents are limited to the main component
  • No detailed tubing or tip specs listed in the provided notes

This is a simple, no-frills option for buyers who want a dedicated Explorer ST cat-back and prefer to stay with a vehicle-specific stainless setup. The lack of detailed spec breakdown means it’s best suited to shoppers who already know they want this style of system.

Premium Split-Exit Stainless Upgrade – BORLA 140820BC for 2020-2023 Ford Explorer ST

If you’re shopping for a ford explorer st cat back exhaust with a more premium finish, the BORLA 140820BC is built for 2020-2023 Explorer ST models and related applications. It uses T-304 stainless steel, all welded construction, and a bolt-on design, so it fits the needs of drivers who want a durable cat-back system with a split rear exit and black chrome tips.

Best For: Explorer ST owners who want a stainless, bolt-on cat-back with a split rear exit and black chrome tips.

Pros:

  • T-304 stainless steel construction for durability
  • Bolt-on installation with all welded construction
  • Dual split rear exit with dual 4-inch round black chrome tips
  • Made in the USA with Borla’s no drone guarantee

Cons:

  • Fitment is limited to specific 2020-2023 Explorer ST, Explorer Platinum, and Lincoln Aviator V6 applications
  • Heavier system at 56 pounds
  • May be more exhaust than needed for buyers wanting a simpler setup

This is a strong pick if you want a well-built cat-back from Borla with a polished look and a straightforward install. The no drone guarantee and black chrome tips make it especially appealing for street-focused buyers who still want a performance-oriented setup.

Classic Sound Factory-Tip Option – BORLA 140659 for 2016-2017 Ford Explorer Sport

For a ford explorer st cat back exhaust alternative on older Explorer performance models, the BORLA 140659 is designed for 2016-2017 Ford Explorer Sport 3.5L V6 EcoBoost AWD 4-door applications. It features T-304 stainless steel, all welded construction, and a bolt-on layout, and it is sold without tips so you can use the factory valance and tips.

Best For: Owners of 2016-2017 Explorer Sport models who want a stainless Borla cat-back and plan to keep factory tips.

Pros:

  • T-304 stainless steel construction
  • Bolt-on installation with all welded construction
  • Made in the USA
  • Uses factory valance/tips, since tips are not included

Cons:

  • Only fits specific 2016-2017 Explorer Sport AWD 4-door models
  • Tips are not included in the kit
  • Not intended for 2020+ Explorer ST applications

This system makes sense if you already like the factory tip look and want a cat-back from Borla with a classic sound. It is a fitment-specific option, so it works best when you are matching it to the exact Explorer Sport configuration listed by the manufacturer.

Track-Ready ATAK Split-Exit Setup – BORLA 140821BC for 2020-2023 Ford Explorer ST

If you want a ford explorer st cat back exhaust with a more aggressive BORLA sound profile, the 140821BC is the ATAK version for 2020-2023 Explorer ST, Explorer Platinum, and Lincoln Aviator V6 applications. Like the other systems in this lineup, it uses T-304 stainless steel, all welded construction, and bolt-on installation, plus Borla’s no drone guarantee.

Best For: Drivers who want the most aggressive Borla cat-back option in this group for compatible Explorer ST applications.

Pros:

  • ATAK performance exhaust tuning
  • T-304 stainless steel construction
  • Bolt-on installation with all welded construction
  • Made in the USA with no drone guarantee

Cons:

  • Fitment is limited to specific 2020-2023 Explorer ST, Explorer Platinum, and Lincoln Aviator V6 models
  • Not as understated as a milder exhaust option
  • System details are more focused on build and sound than tip finish in the supplied notes

This is the pick for buyers who want Borla’s ATAK tuning and are prioritizing a louder, more aggressive cat-back. If your goal is a performance-first exhaust for a compatible Explorer ST, this is the most assertive option in the set.

How We Picked the Best Ford Explorer St Cat Back Exhaust

We prioritized systems that are relevant to the Explorer ST platform, with attention to verified fitment, material quality, pipe diameter, tip design, and overall sound character. We also favored options from established exhaust brands with clear application notes for the 3.0L EcoBoost models.

Because a Ford Explorer St Cat Back Exhaust can affect cabin volume, drone, ground clearance, and aesthetics, we weighted practical ownership factors as heavily as performance claims.

Quick Comparison

In broad terms, Borla and AWE options tend to target refined, well-controlled sound with premium construction, while MBRP and aFe often appeal to shoppers looking for aggressive tone and stronger value. Stainless Works typically sits in the performance-minded category with an emphasis on durable materials and enthusiast appeal.

Tip style, rear-exit layout, and stainless grade matter as much as brand name. A system that sounds perfect on paper may be too quiet, too loud, or incompatible with your exact model year if the fitment details are overlooked.

Key Buying Factors for Ford Explorer St Cat Back Exhaust

Sound Level and Drone

Start by deciding how loud you want the vehicle to be at idle, under throttle, and on the highway. If the Explorer ST is a daily driver, look for systems known for controlled cabin resonance. If you want a more aggressive presence, consider louder designs and freer-flowing muffler layouts.

Material and Finish

304 stainless steel is a strong choice for long-term corrosion resistance and appearance. Some systems use polished or black tips, and others offer carbon-fiber-style aesthetics, so choose the look that matches the rest of the vehicle.

Fitment and Model-Year Match

Always confirm year range, drivetrain, and whether the exhaust is intended for the ST, Platinum, hybrid, or Aviator applications. A Ford Explorer St Cat Back Exhaust may share platform traits with related vehicles, but exact compatibility still matters.

Pipe Size and Exit Style

Pipe diameter influences flow and sound, while exit configuration changes both appearance and practicality. Dual rear exit setups are popular for a sportier look, but make sure they align with your bumper and trim package.

Who Should Buy Which Ford Explorer St Cat Back Exhaust?

If you want a refined premium tone and strong brand reputation, start with Borla or AWE. If value and a more assertive note matter most, MBRP is worth a close look. If you prioritize stainless construction and enthusiast-focused tuning, aFe and Stainless Works belong on your shortlist.

For buyers who want the right balance, the best choice is usually the system that matches your daily use, desired sound level, and exact Explorer ST configuration. In other words, buy for the way you drive, not just for the loudest spec sheet.