



MagnaFlow Performance Exhaust Muffler 12867 - 3" Inlet/Outlet, 5x5x14" Stainless Steel
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The MagnaFlow 12867 Performance Exhaust Muffler is a durable, stainless steel, round-body muffler engineered for improved exhaust flow and signature deep MagnaFlow tone. The internal straight-through perforated core with two-stage acoustic packing maintains velocity while delivering a smooth acoustic profile. Universal design allows flexible placement and orientation to fit many vehicles (professional installation recommended). Dyno-proven to improve engine performance by optimizing exhaust evacuation. Proudly made in the USA and backed by MagnaFlow’s limited lifetime construction warranty. Specifications include 3" inlet and outlet connections, round shape, center/center configuration, and vehicle-specific fit for cars and trucks. Item dimensions (packaged): 21 x 6 x 7 inches; item weight: 0.6 pounds.
- LIMITED LIFETIME CONSTRUCTION WARRANTY - Performance that lasts. Enjoy worry-free ownership knowing that you're backed by MagnaFlow’s limited lifetime construction warranty.
- UNIVERSAL FITMENT - Universal design enables custom muffler placement and orientation to meet the particular spacing and mechanical requirements of your vehicle. Professional installation is highly recommended.
- OPTIMAL ARCHITECTURE & CONSTRUCTION - The internal architecture of this muffler features a straight-through perforated core with two-stage acoustic packing which maintains the velocity of exhaust flow while generating a smooth, deep exhaust tone. Proudly made in the USA.
- DYNO-PROVEN PERFORMANCE - Extensive dyno testing is used to ensure that this 5" x 5" Round muffler increases engine power and performance by improving the flow dynamics and evacuation of exhaust gases.
- SIGNATURE MAGNAFLOW SOUND - The 5" x 5" Round body of muffler 12867 is engineered to deliver the deep, resonating sound that MagnaFlow mufflers are famous for.
Specifications:
| Materials & Construction | |
| Material | Stainless Steel |
| Outer Material | Stainless Steel |
| Product Details | |
| GTIN | 841380024183 |
| Included Components | MagnaFlow 12867 Performance Exhaust Muffler |
| Item Type Name | Automotive Performance Exhaust Muffler |
| Manufacturer Warranty Description | Limited Lifetime Construction Warranty |
| Material Type | Stainless Steel |
| Model Number | 12867 |
| OEM Equivalent Part Number | 12867 |
| Shape | Round |
| UPC | 841380024183 |
| Sizing & Dimensions | |
| Height | 7 inches |
| Length | 21 inches |
| Product Dimensions | 21 x 6 x 7 inches |
| Weight | 0.6 pounds |
| Width | 6 inches |
| Technical Specifications | |
| Automotive Fit Type | Vehicle Specific Fit |
| Compatible with Vehicle Type | Car, Truck |
| Configuration | Center/Center |
| Inlet Connection Size | 3 Inches |
| Outlet Connection Size | 3 Inches |
| Warranty | Limited Lifetime Construction Warranty |

