View our Specials! Coupon Code: SaveIn2026
Magnaflow Catback Exhaust for a 2014-2018 Chevrolet Silverado 1500 and 2014-2018 GMC Sierra 1500.
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The MagnaFlow Street Series 15278 brings out the personality of your Truck with our signature resonant, powerful engine tone and dyno-proven performance. Thanks to its fast-flowing, mandrel bent 3in. main piping and 1 Straight-Through mufflers ending in a Dual Split Rear exit with 3.5in. Polished Clamp-On-Single Wall-Angle Cut-Rolled Edge tips, this Truck exhaust kit has the performance chops to match its sporty sound and appearance. Upgrade your ride to the next level with an exhaust that has the pipes to put other Truck’s to shame. With this system your vehicle will be producing Agressive exterior and Moderate interior sound levels while leaving other cars and trucks feeling envious at every stoplight. Exhaust kit 15278 features a cat-back layout that replaces your ride’s stock exhaust components from near the catalytic converter on back. Extensive 3D scanning during development has resulted in a direct-fit design that you can easily install yourself. 15278 is produced using CNC precision robotic manufacturing techniques and is backed by MagnaFlow’s 1-year limited finish warranty and limited lifetime construction warranty.
Features:| Years | Make | Model | Trim | ||
|---|---|---|---|---|---|
| 2014 - 2018 | Chevrolet | Silverado 1500 | WT | ||
| 2014 - 2018 | Chevrolet | Silverado 1500 | LTZ | ||
| 2014 - 2018 | Chevrolet | Silverado 1500 | LT | ||
| 2014 - 2018 | Chevrolet | Silverado 1500 | High Country | ||
| 2015 - 2018 | Chevrolet | Silverado 1500 | SSV | ||
| 2015 - 2018 | Chevrolet | Silverado 1500 | LS | ||
| 2016 - 2018 | Chevrolet | Silverado 1500 | Custom | ||
| 2014 - 2018 | GMC | Sierra 1500 | Denali | ||
| 2014 - 2018 | GMC | Sierra 1500 | Base | ||
| 2014 - 2018 | GMC | Sierra 1500 | SLE | ||
| 2014 - 2018 | GMC | Sierra 1500 | SLT |
best rumble ever heard
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For more information on Magnaflow part number 15278, you can visit the official Magnaflow website.
