Exhaust› Mufflers and Resonators
Magnaflow
MagnaFlow XL 4 X 9in. Oval Multi-Chamber Performance Exhaust Muffler 13259
SKU: M001 13259
Moderate — 2–4 hours
Description
Part #: 13259
The MagnaFlow XL 4 X 9in. Oval Multi-Chamber Performance Exhaust Muffler 13259 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 13259's oval-shaped, 4x9x18in. body and universal 3/3in. diameter inlet/outlet layout enables flexible installation options to match the spacing requirements of your vehicle. Professional installation is highly recommended. 13259 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.
Features:
- Durable corrosion-resistant stainless steel construction
- CNC precision robotic manufacturing techniques
- Superior flow & performance
Muffler - XL 3 Chamber - 3 in Center Inlet - 3 in Offset Outlet - 18 x 9 x 4 in Oval Body - 24 in Long - Stainless - Natural - Universal - Each
MIA's Description
Fitment
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Specifications
| Brand | Magnaflow |
| Part Number | M001 13259 |
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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