Magnaflow-19388-Street-Series-Axle-Back-Exhaust-Install-Guide-Jeep-Wrangler-2018-2025 eliteracefab.com

Magnaflow 19388 Street Series Axle-Back Exhaust Install Guide – Jeep Wrangler (2018–2025)

pgrading your Jeep Wrangler’s exhaust is one of the easiest ways to add a deeper tone and improved performance. The Magnaflow Street Series Axle-Back Exhaust (Part #19388) is designed specifically for the 2018–2025 Jeep Wrangler, offering a refined growl while maintaining comfortable interior sound levels.

This guide walks you through the step-by-step installation process. Whether you’re a DIY enthusiast or new to working on your Jeep, this job can be completed with basic hand tools in about 1–2 hours.

 

 

Required Tools

  • 15mm socket and wrench
  • Exhaust hanger tool (or pry bar)

 

 

Materials Included

(Included with Magnaflow 19388 Kit)

  • Muffler Assembly
  • 1 x 2.50" Band Clamp

 

Magnaflow 19388 Street Series Axle-Back Exhaust Install Guide – Jeep Wrangler (2018–2025)

 

 

Step 1: Remove the OEM Muffler Assembly


Magnaflow 19388 Street Series Axle-Back Exhaust Install Guide – Jeep Wrangler (2018–2025)
Magnaflow 19388 Street Series Axle-Back Exhaust Install Guide – Jeep Wrangler (2018–2025)

 

  1. Locate the clamp in front of the rear muffler assembly (positioned above the rear axle and sway bar).
  2. Loosen the clamp using a 15mm socket/wrench.
  3. While supporting the muffler, remove the exhaust hangers from the rubber insulators.
  4. Carefully remove the OEM muffler assembly.
  5. Retain the rubber insulators – they will be reused for the new system.

 

 

Step 2: Install the Magnaflow Muffler Assembly


 

  1. Position the new Magnaflow muffler assembly.
  2. Slide the supplied 2.50" band clamp over the OE outlet pipe.
  3. Connect the inlet of the new muffler assembly to the OE outlet pipe.
  4. Engage the welded hanger into the rubber insulator.
  5. Keep all clamps and fasteners loose until final adjustments are made.

 

 

Step 3: Final Alignment and Tightening

 

Magnaflow 19388 Street Series Axle-Back Exhaust Install Guide – Jeep Wrangler (2018–2025)

 

  1. Adjust the muffler assembly to achieve the desired final position and alignment.
  2. Evenly tighten the clamp, starting from the front and working toward the rear.
  3. Torque all clamps to the specifications listed in Magnaflow’s instructions.
  4. After 25–50 miles of driving, re-inspect all fasteners and re-tighten if necessary.

 

 

Installation Complete 🎉

Your Jeep Wrangler is now equipped with the Magnaflow Street Series Axle-Back Exhaust! Enjoy a deeper, more aggressive tone without excessive cabin drone. This system is engineered for long-lasting performance, featuring stainless steel construction and precision fitment.

 

 

FAQs

Q: Do I need to cut the factory exhaust?
A: No cutting or welding is required. This system is designed as a direct bolt-on replacement.

Q: Will this system fit both 2-door and 4-door Wranglers?
A: Yes, Magnaflow designed Part #19388 to fit both JL (2-door) and JLU (4-door) models from 2018–2025.

Q: Do I need new rubber insulators?
A: No. Reuse the factory rubber hangers/insulators from your OEM exhaust.

Back to blog