Description
The Magnaflow Advantage. When you buy a Magnaflow Street Series Cat-Back Exhaust- Split Rear Exit, you not only get better fuel economy and efficiency, but you also get a noticeable yet mellow-mild exhaust note you’ve been wanting for your 2014-2018 5.3L GMC Sierra 1500. Made in the USA, this cat-back exhaust features a straight-through flow design, giving you the ultimate increase in horsepower and torque.
Max Durability. Made from durable and strong 409 stainless steel and mandrel-bent 3-inch tubing, your new Magnaflow Street Series exhaust is made to last. This is backed by a lifetime warranty on construction—giving you the peace of mind that this exhaust will last the life of your truck. The polished tips add a little style as well.
Install in No Time. Offering an easy bolt-on design, your new cat-back exhaust will take approximately two hours to install and includes all the necessary parts and hardware to do so. Should you need any assistance, installation videos are available on the website.
Application. This Magnaflow Street Series Split Rear 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 15278
15268
CA Residents: WARNING: Cancer and Reproductive Harm
- Mild Exhaust Note
- Mandrel-Bent for Smooth Flow
- Made in the USA
- 409 Stainless Steel Construction
- Durable and Stylish
- Polished Tips
- Lifetime Warranty
- Fits 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 | Dual |
| Exhaust Exit Location | Rear – Dual |
| Exhaust Loudness | Aggressive |
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