The MagnaFlow 14221 is an oval straight-through performance muffler with a brushed-finish 5x8x14in body and a reversible 3/2.5in inlet/outlet layout. Its free-flowing perforated stainless steel core wrapped in stainless steel mesh and acoustic fiber fill delivers MagnaFlow’s signature deep tone. The universal design allows flexible placement within your exhaust system; professional installation is recommended. Produced with CNC precision robotic manufacturing in durable corrosion-resistant stainless steel, backed by MagnaFlow’s limited lifetime warranty.
| Type | Straight-through performance muffler |
| Body | Oval - 5x8x14in - brushed finish |
| Inlet/Outlet | 3in / 2.5in |
| Material | Stainless steel |
| Warranty | Limited lifetime |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1988-1993 | Chevrolet | C1500 | Cheyenne |
| 1988-1992 | Chevrolet | C1500 | Scottsdale |
| 1988-1993 | Chevrolet | C1500 | Silverado |
| 1990-1993 | Chevrolet | C1500 | WT |
| 1992-1993 | Chevrolet | C1500 Suburban | Base |
| 1992-1993 | Chevrolet | C1500 Suburban | Silverado |
| 1988-1993 | Chevrolet | C2500 | Cheyenne |
| 1988-1992 | Chevrolet | C2500 | Scottsdale |
| 1988-1993 | Chevrolet | C2500 | Silverado |
| 1992-1993 | Chevrolet | C2500 Suburban | Base |
| 1992-1993 | Chevrolet | C2500 Suburban | Silverado |
| 1988-1993 | Chevrolet | K1500 | Cheyenne |
| 1988-1992 | Chevrolet | K1500 | Scottsdale |
| 1988-1993 | Chevrolet | K1500 | Silverado |
| 1991 | Chevrolet | K1500 | Sport |
| 1990-1993 | Chevrolet | K1500 | WT |
| 1992-1993 | Chevrolet | K1500 Suburban | Base |
| 1992-1993 | Chevrolet | K1500 Suburban | Silverado |
| 1988-1993 | Chevrolet | K2500 | Cheyenne |
| 1988-1992 | Chevrolet | K2500 | Scottsdale |
| 1988-1993 | Chevrolet | K2500 | Silverado |
| 1992-1993 | Chevrolet | K2500 Suburban | Base |
| 1992-1993 | Chevrolet | K2500 Suburban | Silverado |
| 1994 | Dodge | Ram 1500 | Base |
| 2004-2008 | Dodge | Ram 1500 | Laramie |
| 2004-2008 | Dodge | Ram 1500 | SLT |
| 2006-2007 | Dodge | Ram 1500 | Sport |
| 2004-2008 | Dodge | Ram 1500 | ST |
| 2008 | Dodge | Ram 1500 | SXT |
| 2006-2007 | Dodge | Ram 1500 | TRX4 |
| 1999-2000 | Chevrolet | Silverado 2500 | Base |
| 1999-2000 | Chevrolet | Silverado 2500 | LS |
| 1999-2000 | Chevrolet | Silverado 2500 | LT |
| 2002-2005 | Chevrolet | Silverado 1500 | Base |
| 2004-2006 | Chevrolet | Silverado 1500 | Hybrid |
| 2002-2006 | Chevrolet | Silverado 1500 | LS |
| 2002-2006 | Chevrolet | Silverado 1500 | LT |
| 2002-2006 | Chevrolet | Silverado 1500 | WT |
| 2004-2005 | Chevrolet | Silverado 1500 | Z71 Off-Road |
| 2007 | Chevrolet | Silverado 1500 Classic | LS |
| 2007 | Chevrolet | Silverado 1500 Classic | LT |
| 2007 | Chevrolet | Silverado 1500 Classic | WT |
| 1999-2006 | GMC | Sierra 1500 | SLE |
| 1999-2006 | GMC | Sierra 1500 | SLT |
| 2002-2006 | GMC | Sierra 1500 | WT |
| 2007 | GMC | Sierra 1500 Classic | SLE |
| 2007 | GMC | Sierra 1500 Classic | SLT |
| 1999-2000 | GMC | Sierra 2500 | SL |
| 1999-2000 | GMC | Sierra 2500 | SLE |
| 1999-2000 | GMC | Sierra 2500 | SLT |
