Magnaflow · New

MagnaFlow Muffler Mag 409SS 11X4X9 2.25 O/O

Name: MagnaFlow Muffler Mag 409SS 11X4X9 2.25 O/O
Brand: Magnaflow
SKU: mag11375
Price: 130.00 USD

MPN 11375 · Store SKU mag11375

$130.00

CHECK AVAILABILITY0 in supplier warehouses. Ask JuiceBuilt about availability.

Supplier stock checked 11/7/2026, 11:40:43 PM UTC. Adding a part does not reserve it.

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

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Product details

The MagnaFlow 4 X 9in. Oval Straight-Through Performance Exhaust Muffler 11375 is engineered to enhance your ride with a healthy helping of our signature exhaust sound and dyno-proven performance thanks to its free-flowing straight-through perforated stainless steel core wrapped in stainless steel mesh and acoustic fiber fill. The reversible, universal 2.25/2.25in. diameter inlet/outlet Straight-Through layout allows you to install it in whatever orientation and configuration you see fit. However, professional installation is highly recommended. Muffler 11375s weight-optimized 4x9x11in. oval-shaped body features a satin finish that elevates the overall aesthetics of your current exhaust setup. 11375 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; 2.25in. Offset Same Side; 4x11x9 Body MagnaFlow 2.25 in/2.25 in Offset/Offset Same Side; 4 in x 11 in x 9 in Body Muffler Straight-Through Performance Muffler; 2.25in. Offset Same Side; 4x11x9 Body Straight-Through Performance Muffler; 2.25in. Offset Same Side; 4x11x9 Body 2.25 in/2.25 in Offset/Offset Same Side; 4 in x 11 in x 9 in Body Muffler

Manufacturer fitment & guides

Check 11375 against the manufacturer’s application information below.

MagnaFlow manufacturer exhaust application catalog ↗

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MagnaFlow Muffler Mag 409SS 11X4X9 2.25 O/O

Product details

Manufacturer fitment & guides

THE NEXT PART
OF YOUR BUILD.

Free shipping on $100+ orders.

Build with the right brands.

Shop your platform.

Shop by parts section.

Find your next upgrade.

Make the whole setup work.

A few things to know.

Your cart.

Freight & oversized shipping quote

Delivery address