Magnaflow Street Series Black Polished Stainless Cat-Back Performance Exhaust System

2014–2018 GMC Sierra 1500 V8-6.2L

Part #: 19378

Overview

The MagnaFlow Street Series Black Performance Exhaust System is designed to enhance the driving experience of your GMC Sierra 1500 equipped with a 6.2L V8 engine from 2014 to 2018. Crafted for enthusiasts who seek a perfect balance of power, sound, and style, this cat-back exhaust system delivers dyno-proven performance improvements while maintaining a refined interior noise level. Whether you're looking to boost your truck's horsepower, achieve a commanding exterior sound, or add a sleek black aesthetic to your vehicle, this exhaust system is an excellent upgrade.

Built with durability and quality in mind, the MagnaFlow Street Series exhaust features high-grade stainless steel construction and CNC precision robotic manufacturing, ensuring a perfect fit and long-lasting performance. The black coated tips add a bold visual statement, complementing the aggressive look of your Sierra while providing corrosion resistance and easy maintenance. This system is ideal for daily drivers, weekend warriors, and off-road enthusiasts who demand reliable performance combined with a stylish appearance.

Key Features

The MagnaFlow Street Series Black Cat-Back Exhaust System offers a range of features designed to improve your vehicle’s performance and aesthetics:

• Constructed from durable stainless steel with CNC precision manufacturing for a seamless fit and long-term reliability.
• Black coated tips provide a sleek, aggressive look while resisting corrosion and heat discoloration.
• Dyno-proven power gains support increased horsepower and torque, enhancing your truck’s overall performance.
• Optimized mandrel-bent tubing ensures smooth exhaust flow, reducing backpressure and improving throttle response.
• Delivers a balanced sound profile—comfortable inside the cabin with a performance exterior note that turns heads.
• Backed by MagnaFlow’s limited lifetime construction warranty and a 1-year finish warranty for peace of mind.
• Designed specifically for the 2014–2018 GMC Sierra 1500 V8-6.2L, ensuring a direct bolt-on installation without modifications.
• Manufactured using CNC robotic techniques for precise manufacturing and consistent quality control.

Construction & Design

The MagnaFlow Street Series exhaust system is meticulously engineered from high-quality stainless steel, ensuring resistance to rust and corrosion even in harsh driving conditions. The system features mandrel-bent tubing that maintains consistent diameter throughout, promoting optimal exhaust flow and performance. The CNC precision robotic manufacturing process guarantees a seamless fit and finish, reducing installation time and ensuring durability.

The black coated tips are crafted from stainless steel and finished with a durable black coating that resists discoloration and corrosion. The design not only enhances the visual appeal of your truck but also complements the aggressive styling cues of modern pickups. The system’s overall design focuses on maximizing exhaust flow efficiency while delivering a deep, resonant exhaust note that enhances your vehicle’s character without excessive drone inside the cabin.

Installation & Fitment

This exhaust system is designed as a direct bolt-on replacement for the factory exhaust on your GMC Sierra 1500 V8-6.2L (2014–2018). No cutting, welding, or special tools are required for installation. The system mounts using factory mounting points and hardware, allowing for a straightforward installation process that can typically be completed with basic hand tools. The precise fitment ensures a clean, professional appearance and optimal performance.

• Easy bolt-on installation with no modifications required.
• Includes all necessary clamps, hardware, and instructions for a hassle-free upgrade.

What's Included

• Complete cat-back exhaust system with mandrel-bent tubing
• Black coated stainless steel tips
• Clamps and mounting hardware
• Installation instructions

Ideal For

• Performance enthusiasts seeking increased horsepower and torque
• Owners looking to enhance their GMC Sierra’s sound profile and visual appeal
• Off-road and daily drivers who want durable, corrosion-resistant exhaust components