Free shipping on eligible orders of $100 or more. Oversized and freight items excluded.

Shop parts / Magnaflow / New

MagnaFlow SYS A/B 07-14 Jeep Wrangler JK 3.8/3.6 L Stainless Steel

Magnaflow · New

MagnaFlow SYS A/B 07-14 Jeep Wrangler JK 3.8/3.6 L Stainless Steel

MPN 15178 · Store SKU mag15178

$734.00
CHECK AVAILABILITY0 in supplier warehouses. Ask JuiceBuilt about availability.

Supplier stock checked 11/7/2026, 5:31:40 AM UTC. Adding a part does not reserve it.

30-day returns for unopened, unused new parts

Request a return within 30 calendar days after delivery. New parts must be unopened and unused.

Shipping & returns ↗This policy does not limit rights required by law.

Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.

Product details

The MagnaFlow Street Series Axle-Back Performance Exhaust System 15178 brings enhanced engine sound and dyno-proven performance to your 3.6L, 3.8L 2007-2018 Jeep with a healthy helping of our deep, resonant signature exhaust note at Moderate exterior and Mild interior sound levels. Thanks to its durable, corrosion resistant stainless steel design, this Jeep exhaust system will handle whatever tarmac you decide to leave your mark on. This performance exhaust kit features an axle-back layout designed to replace your Jeep's exhaust system from near the rear axle on back. With its fast-flowing, mandrel bent 2.5in. main piping and 1 Straight-Through mufflers ending in a Dual Split Rear exit with 4in. Polished Welded-On Double Wall Angle Cut Folded Edge tips, your ride will be sounding as awesome as it looks. Extensive 3D scanning during development has resulted in a direct-fit design that you can easily install yourself. 15178 is produced using CNC precision robotic manufacturing techniques and is backed by MagnaFlow's 1-year limited finish warranty and limited lifetime construction warranty. The MagnaFlow Street Series Axle-Back Performance Exhaust System 15178 brings enhanced engine sound and dyno-proven performance to your 3.6L, 3.8L Jeep with a healthy helping of our deep, resonant signature exhaust note at Moderate exterior and Mild interior sound levels. Thanks to its durable, corrosion resistant stainless steel design, this Jeep exhaust system will handle whatever tarmac you decide to leave your mark on. This performance exhaust kit features an axle-back layout designed to replace your Jeep's exhaust system from near the rear axle on back. With its fast-flowing, mandrel bent 2.5in. main piping and 1 Straight-Through mufflers ending in a Dual Split Rear exit with 4in. Polished Welded-On Double Wall Angle Cut Folded Edge tips, your ride will be sounding as awesome as it looks. Extensive 3D scanning during development has resulted in a direct-fit design that you can easily install yourself. 15178 is produced using CNC precision robotic manufacturing techniques and is backed by MagnaFlow's 1-year limited finish warranty and limited lifetime construction warranty. Magnaflow Street Series Stainless Axle-Back System Street Series Stainless Axle-Back System Street Series Polished Axle Back System

Manufacturer fitment & guides

Check 15178 against the manufacturer’s application information below.

Manufacturer documents

More from Magnaflow ↗See the JuiceBuilt workshop ↗

YOUR NEXT MOVE

Your build.