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Stainless Works 15-25 Mustang GT Lead Pipe Kit - Aftermarket Connect

SSWM15LDSLG
887753444547
Connecting Pipes
1 Units In Stock - Ships Next Business Day
$ 399.00
$ 399.00

304 Stainless Aftermarket Connect Lead Pipes for the 15-25 Mustang GT

Stainless Works' Aftermarket Connect lead pipe kit connects a Stainless Works or Stainless Power long tube header system to a 3-inch aftermarket catback exhaust on a 2015-2025 Ford Mustang GT (also fits Bullitt, Mach 1, and Dark Horse). Built from corrosion-resistant 304 stainless steel and TIG welded in the USA, these mandrel-bent 3-inch pipes retain the factory O2 sensor bungs for full sensor functionality.

Key Features

  • 3-inch mandrel-bent lead pipes with 3-inch ID inlets and outlets
  • 304 stainless steel construction resists corrosion
  • TIG welded in the USA (Streetsboro, Ohio)
  • O2 sensor bungs retained for factory sensor functionality
  • Designed to connect to a 3-inch aftermarket catback exhaust
  • Clamps included for installation

Fitment

Year Make Model Submodel
2015-2025 Ford Mustang GT
2019-2020 Ford Mustang Bullitt
2021-2023 Ford Mustang Mach 1
2024-2025 Ford Mustang Dark Horse

Specifications

Detail Value
Manufacturer part number M15LDSLG
Material 304 stainless steel
Pipe diameter 3 in ID inlet and outlet
Header compatibility Stainless Works / Stainless Power long tube headers only
Welding TIG welded, USA
O2 sensor bungs Included, retains factory sensors

What's Included

  • 1 driver-side lead pipe
  • 1 passenger-side lead pipe
  • 3-inch clamps

About the Brand

Stainless Works has manufactured stainless steel performance exhaust systems and headers in Streetsboro, Ohio since 1998, known for precision mandrel-bent tubing and TIG-welded American-made construction.

FAQ

Will this fit a factory Mustang exhaust without headers?

No, this lead pipe kit only works with Stainless Works or Stainless Power long tube header systems, not the factory manifolds.

What catback exhaust does this connect to?

This Aftermarket Connect version is designed to connect the header system to a 3-inch aftermarket catback exhaust.

Are O2 sensor bungs included?

Yes, both lead pipes retain O2 sensor bungs so factory oxygen sensors function normally.

What material is this kit made from?

304 stainless steel, TIG welded at Stainless Works' Ohio facility.

Does this kit include clamps?

Yes, the clamps needed to connect the lead pipes are included.

Will this fit a Mustang EcoBoost or V6?

No, this kit is designed for the GT, Bullitt, Mach 1, and Dark Horse trims paired with Stainless Works GT header systems.

Is cutting required to install this kit?

Some fitment scenarios with certain aftermarket exhaust systems may require minor trimming; refer to the installation instructions for your specific catback.

What is Stainless Works' warranty on this kit?

Stainless Works backs its stainless steel exhaust components against manufacturing defects; contact the manufacturer for full warranty terms.

Installation Instructions

  1. Raise and safely support the vehicle.
  2. Remove the factory or aftermarket midpipe/connecting section between the headers and catback.
  3. Position the driver and passenger side lead pipes at the header outlets.
  4. Secure each connection using the included 3-inch clamps.
  5. Check for adequate clearance from the driveshaft, floor pans, and heat-sensitive components.
  6. Start the engine and check for exhaust leaks at each clamped joint.

Prop 65 Warning

This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Request For Information

Have questions about Stainless Works 15-25 Mustang GT Lead Pipe Kit - Aftermarket Connect? Fill out the form below and we'll get back to you by the next business day.
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