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Borla 2018 Ford Mustang GT 5.0L AT/MT 2.5in S-Type Exhaust w/ Valves (Rear Section Only)-Borla-BOR11951
Borla 2018 Ford Mustang GT 5.0L AT/MT 2.5in S-Type Exhaust w/ Valves (Rear Section Only)-Borla-BOR11951
Borla 2018 Ford Mustang GT 5.0L AT/MT 2.5in S-Type Exhaust w/ Valves (Rear Section Only)-Borla-BOR11951
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Borla 2018 Ford Mustang GT 5.0L AT/MT 2.5in S-Type Exhaust w/ Valves (Rear Section Only)

Borla
BOR11951
808422119511
Axle Back
20 Units In Stock - Ships Next Business Day
$ 2,127.99 $ 1,899.99
FREE Ground Shipping!
$ 1,899.99

SKU: 11951   |   UPC: 808422119511

Borla 2018-2023 Ford Mustang GT 5.0L AT/MT 2.5in S-Type Exhaust w/ Valves (Rear Section Only)

Borla 11951 delivers the S-Type axle-back exhaust system as a rear section replacement for 2018-2023 Ford Mustang GT 5.0L V8 models equipped with active exhaust valves. This system fits coupe and convertible body styles, including Bullitt and Mach 1 variants, for automatic or manual transmissions. Experience added horsepower, torque, improved fuel economy, and the signature Borla Sound of Power that excites enthusiasts.

Key Features

  • S-Type Sound: Provides an aggressive, race-inspired exhaust note controlled by factory active valves for street or track driving.
  • T-304 Stainless Steel Construction: Ensures durability and resistance to corrosion with premium material superior to common alternatives.
  • 2.5-Inch Mandrel-Bent Tubing: Allows smooth exhaust flow for power and torque increases through patented straight-through design.
  • Dual 4-Inch Bright Chrome Tips: Adds motorsport styling with split rear exit on T-304 stainless steel for a bold appearance.
  • Multi-Core Technology: Boosts exhaust velocity, enhances throttle response, and delivers a heart-pounding soundtrack with every shift.

Product Notes

  • Fits only models with factory active exhaust valves; retains valve functionality for adjustable sound levels.
  • Rear axle-back section only; pairs with stock or other front sections for custom setups.
  • One-piece all-welded design ships ready for bolt-on installation with no modifications.

Installation Notes

  • Professional installation recommended.
  • Bolt-on design uses factory hangers and mounts; no cutting, welding, or tuning required.
  • Verify active valve presence before purchase; 30-60 minute install time for experienced mechanics.

This Part Fits

Year Make Model Submodel
2018-2023 Ford Mustang GT
2018-2023 Ford Mustang GT Premium
2019-2020 Ford Mustang Bullitt
2021-2023 Ford Mustang Mach 1

Why Choose Borla?

  • Leaders in stainless steel exhaust since 1978 with systems for classics to modern performance cars.
  • Every system backed by Million-Mile Warranty for unmatched long-term reliability.
  • Precision CNC manufacturing and mandrel bending guarantee exact fit and maximum performance.

Frequently Asked Questions

  • Q: Does this exhaust fit 2019-2023 Mustang GT convertibles with active valves?
    A: Yes, direct fit for 2018-2023 coupe and convertible GT, Bullitt, and Mach 1 models equipped with factory active exhaust valves.
  • Q: What material and tip details are used?
    A: Full T-304 stainless steel tubing and tips with 2.5-inch diameter, 4-inch bright chrome-finished outlets in split rear position.
  • Q: What warranty coverage is provided?
    A: Borla offers a Million-Mile Warranty on materials and construction defects when installed properly.

Shipping & Handling

  • Method: UPS Ground or FedEx Ground
  • Availability: In stock - ships same or next business day
  • Packaging: Securely boxed in one oversized carton (52in x 16in x 16in)
  • Weight: 28 lbs

Request For Information

Have questions about Borla 2018 Ford Mustang GT 5.0L AT/MT 2.5in S-Type Exhaust w/ Valves (Rear Section Only)? Fill out the form below and we'll get back to you by the next business day.
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Military & First Responder Discount Program

Black Ops Auto Works proudly honors active duty military, veterans, National Guard, reserves, police officers, firefighters, and EMTs with an exclusive 5% discount on all performance parts and carbon fiber upgrades. Verify instantly and start saving today.

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