MBRP 3″ Turbo Downpipe (GMCA425) for 2001-2004 Duramax LB7
$264.99
The MBRP 3″ Turbo Downpipe (GMCA425) is a high-performance upgrade for 2001-2004 Chevrolet and GMC trucks with the Duramax LB7 engine. Made from durable aluminized steel, it improves exhaust flow, leading to faster turbo spool-up, lower exhaust gas temperatures, better throttle response, and potential horsepower gains. Its 3-inch diameter reduces backpressure, and it’s designed for an easy, precise fit without major modifications. Ideal for Duramax owners seeking enhanced performance, reliability, and a more aggressive exhaust sound.
The MBRP 3″ Turbo Downpipe (GMCA425) is a high-performance upgrade designed specifically for 2001-2004 Chevrolet and GMC trucks equipped with the Duramax LB7 engine. Manufactured from durable aluminized steel, this downpipe improves exhaust flow by replacing the restrictive factory unit, resulting in quicker turbo spool-up, reduced exhaust gas temperatures (EGTs), and enhanced overall engine efficiency. Its 3-inch diameter ensures less backpressure, contributing to better throttle response and potential horsepower gains. The GMCA425 is engineered for a precise fit, making installation straightforward without the need for major modifications. Ideal for Duramax owners seeking improved performance, reliability, and a more aggressive exhaust note, the MBRP 3″ Turbo Downpipe is a smart choice for both daily drivers and performance enthusiasts.
| Weight | 9.5 lbs |
|---|---|
| Dimensions | 23 × 13.6 × 7.6 in |
Fitment
Vehicle Compatibility (18 vehicles)18 of 18 Loaded
| Year | Make | Model | Trim | Engine | Body Type | Bed Length | Transmission |
|---|---|---|---|---|---|---|---|
| 2004 | Chevrolet | Silverado 2500 HD | All | 6.6L 6599cc V8 | All | All | All |
| 2004 | Chevrolet | Silverado 2500 HD | All | 6.6L 6599cc V8 | All | All | All |
| 2004 | Chevrolet | Silverado 3500 | All | 6.6L 6599cc V8 | All | All | All |
| 2004 | Chevrolet | Silverado 3500 | All | 6.6L 6599cc V8 | All | All | All |
| 2004 | GMC | Sierra 2500 HD | All | 6.6L 6599cc V8 | All | All | All |
| 2004 | GMC | Sierra 3500 | All | 6.6L 6599cc V8 | All | All | All |
| 2003 | Chevrolet | Silverado 2500 HD | All | 6.6L 6599cc V8 | All | All | All |
| 2003 | Chevrolet | Silverado 3500 | All | 6.6L 6599cc V8 | All | All | All |
| 2003 | GMC | Sierra 2500 HD | All | 6.6L 6599cc V8 | All | All | All |
| 2003 | GMC | Sierra 3500 | All | 6.6L 6599cc V8 | All | All | All |
| 2002 | Chevrolet | Silverado 2500 HD | All | 6.6L 6599cc V8 | All | All | All |
| 2002 | Chevrolet | Silverado 3500 | All | 6.6L 6599cc V8 | All | All | All |
| 2002 | GMC | Sierra 2500 HD | All | 6.6L 6599cc V8 | All | All | All |
| 2002 | GMC | Sierra 3500 | All | 6.6L 6599cc V8 | All | All | All |
| 2001 | Chevrolet | Silverado 2500 HD | All | 6.6L 6599cc V8 | All | All | All |
| 2001 | Chevrolet | Silverado 3500 | All | 6.6L 6599cc V8 | All | All | All |
| 2001 | GMC | Sierra 2500 HD | All | 6.6L 6599cc V8 | All | All | All |
| 2001 | GMC | Sierra 3500 | All | 6.6L 6599cc V8 | All | All | All |
