Exhaust› Mufflers and Resonators
Magnaflow
MagnaFlow 4 X 9in. Oval Straight-Through Performance Exhaust Muffler 14329
SKU: M001 14329
Moderate — 2–4 hours
Description
Part #: 14329
The MagnaFlow 4 X 9in. Oval Straight-Through Performance Exhaust Muffler 14329 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 3/3in. diameter inlet/outlet Straight-Through layout. Muffler 14329s 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 14329 within your exhaust system to meet the specific spacing requirements of your vehicle, although professional installation is highly recommended. 14329 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 | 3in. Offset/Center | 4x14x9 Body
MIA's Description
This is a universal fit muffler, allowing for flexible placement within your exhaust system to meet specific vehicle spacing requirements. Professional installation is highly recommended. It is constructed from durable, corrosion-resistant stainless steel using CNC precision robotic manufacturing techniques.
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | Magnaflow |
| Part Number | M001 14329 |
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.
View Full Return Policy