Magnaflow · New
MagnaFlow Muffler Trb SS 4X9 18 2.5/2.5
MPN 13256 · Store SKU mag13256
Supplier stock checked 11/7/2026, 3:10:15 PM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
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Product details
The MagnaFlow XL 4 X 9in. Oval Multi-Chamber Performance Exhaust Muffler 13256 features a straight-through, weight-optimized reversible design with a perforated stainless steel core featuring baffles and tuning gates, enabling it to deliver the powerful signature sound and dyno-proven performance that's made MagnaFlow a household name. Muffler 13256's oval-shaped, 4x9x18in. body and universal 2.5/2.5in. diameter inlet/outlet layout enables flexible installation options to match the spacing requirements of your vehicle. Professional installation is highly recommended. 13256 is produced using advanced CNC precision robotic manufacturing techniques and features durable, corrosion resistant stainless-steel construction, all backed by MagnaFlow's limited lifetime warranty. XL Mufflers are a reversible reflection style mufflers using a combination of perforated tubing and baffles to reduce unwanted resonance and increase exhaust flow. Magnaflow Multi-Chamber Performance Muffler; 2.5in. Offset/Center; 4x18x9 Body MagnaFlow 2.5 in/2.5 in Offset/Center; 4 in x 18 in x 9 in Body Muffler Multi-Chamber Performance Muffler; 2.5in. Offset/Center; 4x18x9 Body Multi-Chamber Performance Muffler; 2.5in. Offset/Center; 4x18x9 Body 2.5 in/2.5 in Offset/Center; 4 in x 18 in x 9 in Body Muffler
Manufacturer fitment & guides
Check 13256 against the manufacturer’s application information below.
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