Description
Engineered Performance. When you’re shopping around for that perfect exhaust system for your GMC Sierra, you want something with the best performance, efficiency and power. Magnaflow answers the call with their Street Series Cat-Back exhaust systems. Made in the USA, these systems are engineered to last. With Magnaflow, you’ll get increased performance, better economy, a noticeable yet mellow mild exhaust note and a straight-through flow—for the ultimate in unrestricted horsepower and torque.
Solid Strength, Stunning Good Looks. With the Street Series, you get strength and style. Made of solid 409 stainless steel, your new cat-back will have more than nine lives—it will outlive your truck. For an added touch of beauty and style, it has polished tips. To top it off, Magnaflow gives you a lifetime warranty on construction.
Bolt-On Install. Installation couldn’t be easier with this simple bolt-on design. In approximately two hours, you’ll be hitting the highway with a new ride. Need a little help? Installation videos are available on the Magnaflow website.
Application. This Magnaflow Street Series Single Side Exit Cat-Back Exhaust is designed to be used on the 2014-2018 5.3L GMC Sierra’s with the following cab and box configurations.
- Regular Cab with the Standard Box
- Double Cab with the Standard Box
- Crew Cab with the Short Box.
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Magnaflow 15267
CA Residents: WARNING: Cancer and Reproductive Harm
- Improves Horsepower and Torque
- Mild Exhaust Note
- Durable 409 Stainless Steel Construction
- 3″ Diameter Mandrel-Bent Tubing
- 4″ Polished Stainless Steel Tip
- Single Exit After Rear Passenger Side Tire
- Direct Bolt-On Installation
- Made in the USA
- Fits All 2014-2018 5.3L GMC Sierra Models
| Brand | Magnaflow |
| Exhaust System Type | Cat-Back System |
| Exhaust Tip Finish | Chrome, Polished |
| Exhaust Tubing Diameter | 3.00 Inch |
| Exhaust Material | Stainless Steel |
| Exhaust Tip Outlet Style | Single |
| Exhaust Exit Location | Passenger Side – After Tire |
| Exhaust Loudness | Moderate |






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