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

Shop parts / Magnaflow / New

MagnaFlow Muffler MAG 409SS 5x5x14 3.00

Magnaflow · New

MagnaFlow Muffler MAG 409SS 5x5x14 3.00

MPN 12867 · Store SKU mag12867

$161.00
IN STOCK4 ready to ship

Supplier stock checked 11/8/2026, 6:30:12 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 5in. Round Straight-Through Performance Exhaust Muffler 12867 brings our world-famous exhaust sound and dyno-proven performance to your ride in a weight-optimized 5x5x14in. package with a premium satin finish. The straight-through free-flowing design of this round-bodied muffler's reversible, universal 3/3in. diameter inlet/outlet layout enables versatile installation options to match the spacing requirements of your vehicle. Due to the cutting and welding involved, professional installation is highly recommended. Internally, 12867 utilizes a perforated stainless steel core wrapped in stainless steel mesh and acoustic fiber fill to achieve a powerful, resonant tone. This muffler is made of durable, corrosion resistant stainless steel and produced using cutting-edge CNC precision robotic manufacturing techniques, all backed by MagnaFlow's limited lifetime construction warranty. Magnaflow Straight-Through Performance Muffler; 3in. Center/Center; 5x14x5 Body Straight-Through Performance Muffler; 3in. Center/Center; 5x14x5 Body Straight-Through Performance Muffler; 3in. Center/Center; 5x14x5 Body MagnaFlow 3 in/3 in Center/Center; 5 in x 14 in x 5 in Body Muffler 3 in/3 in Center/Center; 5 in x 14 in x 5 in Body Muffler

Manufacturer fitment & guides

Check 12867 against the manufacturer’s application information below.

More from Magnaflow ↗See the JuiceBuilt workshop ↗

YOUR NEXT MOVE

Your cart.