Borla Axle-Back Exhaust System Stainless Steel 2-1/2" S-Type With 4" Polished Tips Fastback GT Without Active Exhaust 2018-2021

100% of 100


  • 2-1/2" Mandrel Bent Axle Back
  • Includes 4 Angle Cut 4" Tips
  • Borla Logo On Polished Tips
  • Features S-Type Mufflers
MSRP $1,136.99
You save 11%

Borla Stainless Steel 2-1/2" S-Type Axle-Back Exhaust System with 4" Polished Quad Exhaust Tips for 2018, 2019, 2020 and 2021 Fastback GT Mustangs without the Factory Active Exhaust Option.

If you’ve been wanting to upgrade the exhaust on your 2018-2021 Fastback GT Mustang, this Borla Stainless Steel 2-1/2” S-Type Axle-Back Exhaust System with 4” Polished Quad Exhaust Tips (11953) is a great option!

Features & Benefits:
- Fits 2018-2021 GT Mustang Fastbacks without active performance exhaust option
- Deep, sporty muscle-car sound
- Made of heavy-duty T-304 stainless steel with 2-1/2” mandrel-bent piping
- Includes 4” angle-cut and rolled quad exhaust tips
- Borla logo embossed on each exhaust tip
- Straight-through design with no drone
- Re-uses stock exhaust hangers and mounts
- Cut-and-clamp installation: comes with all necessary installation hardware and instructions
- Made in the USA

This American-made axle-back exhaust system is constructed from T-304 stainless steel with 2.5” mandrel-bent piping. Included are 4-inch angle-cut, rolled quad polished exhaust tips that feature the Borla logo embossed on each tip. The straight-through design gives a deep, sporty muscle-car sound with no annoying drone. A cut-and-clamp installation reuses your stock exhaust hangers and mounts with all the included hardware.

*For 2018-2021 models only. This exhaust will not fit 2015-2017 models regardless of installed valance.

Please Note: This system is only for 2018-2021 Fastback GT Mustangs without the Active Exhaust Option from the factory.

Tech Tip: Installation requires cutting of the factory exhaust piping. Once the modifications have been made to the factory exhaust system, installation is a simple bolt-in procedure.

California Residents: Proposition 65 Warning

Installation Difficulty


Intermediate skill is required for this installation.

Vehicle Fitment

This product will fit the following Mustang years:

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