Best Flowmaster Exhaust Systems for Chevy Silverado 1500 Trucks
Enhance the performance and sound of your Chevy Silverado 1500 with quality Flowmaster exhaust systems. This article reviews top Flowmaster cat-back exhaust kits specially designed for Silverado 1500 models, focusing on durability, sound quality, and horsepower gains. Below is a comparison table summarizing key features of the best options available on Amazon.
| Product | Material | Exhaust Tip Size | Sound Profile | Power Gain | Compatibility |
|---|---|---|---|---|---|
| Flowmaster 717857 FlowFX Cat-Back Exhaust Kit | 409 Stainless Steel | 4.5 Inch | Deep, Powerful | Moderate | 2014-2019 Classic Chevy Silverado 1500 |
| Flowmaster 817916 Outlaw Extreme Cat-Back Kit | 409 Stainless Steel | Single Dump Style | Extreme | High | 2014-2019 Classic Chevy Silverado 1500 |
| Flowmaster 717976 FlowFX Extreme Cat-Back Kit | 409 Stainless Steel | Single Exit 3 Inch | Aggressive to Moderate | Up to 11 hp & 15 lb-ft | 2014-2019 Chevy Silverado 1500 |
| Flowmaster 717894 FlowFX Cat-Back Exhaust Kit | 409 Stainless Steel | 3 Inch to 2.5 Inch Dual Exhaust | Deep Powerful Tone | Up to 21 hp & 26 lb-ft | 2019-2025 New Body Chevy Silverado 1500 |
| Flowmaster 717874 FlowFX Cat-Back Exhaust Kit | 409 Stainless Steel | 4.5 Inch Black Ceramic | Deep, Powerful | Moderate | 2009-2013 Chevy Silverado 1500 |
Flowmaster 717857 FlowFX Cat-Back Exhaust Kit for 2014-2019 Silverado
This Flowmaster 717857 FlowFX Cat-Back Exhaust Kit is crafted from durable 409 stainless steel with a stylish 4.5-inch black ceramic coated tip. It’s designed for the classic body Chevy Silverado 1500 models from 2014 to 2019. Its FlowFX “straight-through” performance muffler offers a deep powerful tone inside and outside the vehicle, delivering an aggressive sound without being overwhelming. The black ceramic tip adds a sleek, modern look while resisting corrosion. This kit improves exhaust flow, enhancing engine performance and throttle response. Ideal for drivers wanting a balance between sound, style, and durability.
Flowmaster 817916 Outlaw Extreme Cat-Back Exhaust Kit
The Flowmaster 817916 Outlaw Extreme exhaust kit targets enthusiasts seeking extreme sound levels and race-proven muffler performance. Constructed from rugged 409 stainless steel, it features a black single dump style turndown design for an aggressive exhaust exit. Compatibility covers 2014-2019 classic Chevy Silverado 1500 and GMC Sierra 1500 models with 4.3L or 5.3L engines. This kit’s Outlaw muffler technology provides a loud and horsepower-enhancing exhaust note, ideal for drivers wanting to maximize their truck’s performance and make a bold statement on the road.
Flowmaster 717976 FlowFX Extreme Cat-Back Exhaust Kit
This Flowmaster 717976 FlowFX Extreme kit offers an aggressive to moderate sound profile, suitable for drivers who want noticeable power gains without excessive noise. Made with 409 stainless steel, this exhaust system ensures durability and corrosion resistance. It provides max dyno gains of 11 horsepower and 15 lb-ft of torque at the rear wheels. Compatible with all 2014-2019 Chevy Silverado and GMC Sierra 1500 models, including 2WD and 4WD, this kit balances performance enhancement with refined exhaust tone, improving both acceleration and overall driving experience.
Flowmaster 717894 FlowFX Cat-Back Exhaust Kit for New Body Silverado
The Flowmaster 717894 FlowFX exhaust kit is made for the 2019-2025 new body Chevy Silverado 1500 with crew cab or double cab configurations. Constructed of 409 stainless steel, it features dual exhaust with 3-inch to 2.5-inch piping, enhancing exhaust flow efficiency. This kit delivers max dyno gains of 21 horsepower and 26 lb-ft of torque, making it a powerful upgrade for drivers seeking substantial performance improvement. The deep, powerful tone resonates both inside and outside the vehicle, thanks to the FlowFX “straight-through” muffler design, giving your truck a commanding sound presence.
Flowmaster 717874 FlowFX Cat-Back Exhaust Kit for 2009-2013 Silverado
This Flowmaster 717874 FlowFX kit is designed for 2009-2013 Chevy Silverado 1500 models with 4.8L or 5.3L engines. It features a large 4.5-inch black ceramic coated stainless steel tip that delivers a bold and aggressive look. The FlowFX muffler design provides a consistent deep tone heard inside and outside the vehicle. Made with durable 409 stainless steel, this exhaust system offers durability and corrosion resistance, along with enhancements in exhaust flow for improved performance. It’s a reliable upgrade for earlier Silverado models desiring a modern exhaust sound and appearance.
Buying Guide for Flowmaster Exhaust Systems on Chevy Silverado 1500
Material Quality and Durability
Flowmaster exhaust systems commonly use 409 stainless steel, which balances durability and resistance to rust and corrosion. Some tips also feature black ceramic coatings to protect against heat and improve aesthetic appeal. Selecting quality materials ensures the exhaust system withstands harsh weather conditions and maintains long-term performance.
Sound Characteristics
Exhaust sound varies between the FlowFX moderate to aggressive mufflers and the Outlaw Extreme louder options. Choose your sound preference based on your driving lifestyle—whether you want a deep rumbling tone or a loud race-proven exhaust roar. Consider how the tone sounds both inside and outside the vehicle for maximum satisfaction.
Performance Gains
Look for dyno-tested horsepower and torque improvements. Some Flowmaster kits offer gains exceeding 20 horsepower and noticeable torque boosts, which translate to better acceleration and towing capability. The “straight-through” muffler design seen in FlowFX models enhances exhaust flow for optimized engine efficiency.
Fitment and Compatibility
Ensure the exhaust system matches your Silverado’s model year and body style. Flowmaster provides kits compatible with classic bodies (2014-2019), new bodies (2019-2025), and earlier trucks (2009-2013). Some kits cater to specific cab configurations like crew or double cabs and wheelbase lengths.
Installation Options
Many Flowmaster kits come with pre-bent mandrel tubing designed for bolt-on installation with included clamps. Some users may prefer to weld the system for a permanent, leak-free fit. Installation complexity varies with kit design but most systems aim for a bolt-on process that requires minimal modifications.
Exhaust Tip Design
The exhaust tip not only influences aesthetics but also affects sound dispersion. Flowmaster offers large diameter tips, often coated in black ceramic stainless steel for a stylish, corrosion-resistant finish. Single exit, dual, and dump style turndown tips cater to varying preferences in exhaust flow direction and appearance.