Description
Better Fuel Economy, Better Performance. The MBRP Installer Series 2.5 in. Cat-Back Exhaust for 2009-2013 Sierras with 4.8L engine has been shown to improve fuel economy by 1-2mpg. With this exhaust modification in your vehicle, you can expect to enjoy better performance, speedier engine response, and fuel savings.
Improve Your Truck’s Look. This Installer Series Cat-Back exhaust is sure to draw attention to your vehicle. The MBRP Installer Series 2.5 in. Split Rear Exit Cat-Back Exhaust features stainless steel tips, aluminizes steel tubing, and silica coating. These premium components are not only eye-catching, they’re also an assurance that the exhaust system will last you a long time.
Installs with Ease. The installation process of MBRP Cat-Back Exhaust is easy and the exhaust system can be installed with common hand tools. The bolt-on, no weld design provides you with a hassle-free installation process that can be completed in approximately 1-2 hours. Depending on your cab and box size, some cutting to the piping may be required.
Application. The MBRP Installer Series 2.5 in. Cat-Back Exhaust with Split Rear Exit is designed to fit the 2009-2013 4.8L GMC Sierra’s with the following cab and box configurations.
- Regular Cab with the Standard Box
- Regular Cab with the Long Box
- Extended Cab with the Short Box
- Extended Cab with the Standard Box
- Crew Cab with the Short Box
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MBRP S5058AL
CA Residents: WARNING: Cancer and Reproductive Harm
- Improves Horsepower and Torque
- Produces a Deep Muscular Sound
- 16 Gauge Aluminized Steel Tubing
- Rust-Proofed with Aluminum Silica Coating
- Mirror-Polished, Stainless Steel Tips
- Bolt-on Installation; Some Cutting May Be Required
- Fits 2009-2013 4.8L GMC Sierra’s
- Not Compatible on the Extended Cab with Long Box
| Brand | MBRP |
| Exhaust System Type | Cat-Back System |
| Exhaust Tip Finish | Chrome, Polished |
| Exhaust Tubing Diameter | 2.50 Inch |
| Exhaust Material | Aluminized Steel |
| Exhaust Tip Outlet Style | Dual |
| Exhaust Exit Location | Rear – Dual |
| Exhaust Loudness | Moderate |






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