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Exhaust› Mufflers and Resonators
Magnaflow
MagnaFlow 4 X 9in. Oval Straight-Through Performance Exhaust Muffler 14377
SKU: M001 14377
Moderate — 2–4 hours
Overview
Constructed from durable, corrosion-resistant stainless steel using CNC precision robotic manufacturing techniques, this muffler boasts a brushed finish and a universal design. It has a 2.5-inch inlet and outlet diameter and is reversible. Professional installation is highly recommended due to its universal fitment.
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Part #: 14377
The MagnaFlow 4 X 9in. Oval Straight-Through Performance Exhaust Muffler 14377 brings our signature sound and dyno-proven performance to your ride with a free-flowing straight-through perforated stainless steel core wrapped in stainless steel mesh and acoustic fiber fill, and a weight-optimized, reversible 2.5/2.5in. diameter inlet/outlet Straight-Through layout. Muffler 14377s 4x9x14in. oval-shaped body features a premium, brushed finish for an elevated aesthetic that matches the enhanced exhaust note and performance that this muffler brings to your ride. The universal design allows for flexible placement of 14377 within your exhaust system to meet the specific spacing requirements of your vehicle, although professional installation is highly recommended. 14377 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.
Features:
- Delivers a Smooth, Deep Tone
- Mufflers are Bi-Directional
- 100% Stainless Steel
Magnaflow Straight-Through Performance Muffler | 2.5in. Offset Same Side | 4x14x9 Body
Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Fitment
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Specifications
| Brand | Magnaflow |
| Part Number | M001 14377 |
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Returns & Fitment
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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