The MagnaFlow 12588 is an XL oval straight-through performance muffler with a brushed-finish 5x11x22in body and a 2.5in dual inlet / 3in center outlet (Center/Dual) layout. Its free-flowing perforated stainless steel core wrapped in stainless steel mesh and acoustic fiber fill delivers MagnaFlow's signature deep exhaust note. The universal design allows flexible placement within your exhaust system; professional installation is recommended. CNC precision robotic manufactured with durable corrosion-resistant stainless steel, backed by MagnaFlow's limited lifetime warranty.
| Type | Straight-through performance muffler |
| Body | Oval - 5x11x22in - brushed finish |
| Inlet/Outlet | 2.5in dual in / 3in center out |
| Configuration | Center/Dual |
| Material | Stainless steel |
| Warranty | Limited lifetime |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2006-2014 | Chevrolet | Impala | LS |
| 2006-2014 | Chevrolet | Impala | LT |
| 2006-2014 | Chevrolet | Impala | LTZ |
| 2006-2007 | Chevrolet | Impala | Police |
| 2006-2014 | Chevrolet | Impala | SS |
| 2002-2004 | Chevrolet | Impala | Base |
| 2002-2004 | Chevrolet | Impala | LS |
| 2002 | Chevrolet | Impala | SS |
| 2000-2001 | Chevrolet | Impala | Base |
| 2000-2001 | Chevrolet | Impala | LS |
| 2004-2008 | Ford | F-150 | FX4 |
| 2004-2006 | Ford | F-150 | Lariat |
| 2004-2005 | Ford | F-150 | STX |
| 2004-2008 | Ford | F-150 | XL |
| 2004-2008 | Ford | F-150 | XLT |
| 2004-2006 | Ford | F-150 | XLT Heritage |
| 2002-2004 | Pontiac | Grand Prix | Base |
| 2002-2008 | Pontiac | Grand Prix | GTP |
| 2002-2008 | Pontiac | Grand Prix | GT |
| 2002-2004 | Pontiac | Grand Prix | GT1 |
| 2002-2008 | Pontiac | Grand Prix | GT2 |
