Moderate Straight-Through Performance
Introducing Flowmaster's line of FlowFX exhaust systems. These systems are perfect for the person looking for an moderate exterior and interior sound level with all of the performance benefits that you would expect from Flowmaster. New features include bright 409S stainless steel tubing mated to our new FlowFX straight-through mufflers with a large 3.00 inch core for maximum performance and a deep, aggressive sound.
Fitment Information
- Chevy Tahoe 5.3L (2015, 2016, 2017, 2018, 2019, 2020)
- GMC Yukon 5.3L (2015, 2016, 2017, 2018, 2019, 2020)
Emissions Compliance
This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.
Specs & Features
- Emission Code: 5
- Exhaust Series: FlowFX
- Exit Position: DOSS
- Material: 409 Stainless Steel
- Mount Type: Uses Factory Hangers
- Muffler Body Length (in): 18
- Muffler Color: Natural
- Muffler Finish: Brushed
- Muffler Inlet Diameter: 3.00
- Muffler Inlet Location: Centered
- Muffler Material: 409S Stainless Steel
- Muffler Outlet Diameter: 2.50
- Muffler Outlet Location: Dual Outlet
- Muffler Overall Length (in): 24
- Muffler Part Number: Kit Only
- Muffler Quantity: 1
- Muffler Series: FlowFX
- Muffler Shape: Oval
- Muffler Type: Absorption
- Product Type: Exhaust System
- Single Dual: Dual
- Sound Level: Moderate
- System Type: Cat-back
- Tip Cut: Angle
- Tip Diameter: 3.50
- Tip Edge Style: Rolled
- Tip Finish: Black Ceramic
- Tip Length: 7.5
- Tip Logo: Embossed
- Tip Material: 304 Stainless
- Tip Quantity: 2.00
- Tip Shape: Round
- Tip Style: Single Wall
- Tubing Diameter (in): 3.00|2.50
- Tubing Material: 409S Stainless Steel
Product Description
This Flowmaster® Flow FX® cat-back exhaust system for the 2015-2020 Chevrolet Tahoe and GMC Yukon with the 5.3-liter engine is manufactured using durable 409 stainless steel throughout and features 3.00-inch to dual 2.50-inch mandrel bent pipes for better exhaust gas flow. This system exits out the side with dual 3.50-inch black stainless steel tips for added style and a custom look. Max dyno gains of 7 hp and 7 lb-ft of torque over stock at the rear wheels. The system uses all the existing factory hanger locations and includes installation instructions and all necessary hardware for an easy installation that you can do at home. Backed by Flowmaster's Lifetime Limited Warranty.
Features:
- 3.00-inch to 2.50-inch mandrel bent 16-gauge 409 stainless steel tubing maximizes exhaust flow and improves durability
- Dual 3.50-inch black stainless steel tips add a custom look
- Includes complete hardware and factory styled hangers in the stock locations for an easy installation
- FlowFX series muffler delvers a moderate sound level with increased performance
- Max dyno gains of 7 hp and 7 lb-ft of torque over stock at the rear wheels
- Backed by Flowmaster's Lifetime Limited Warranty
Redline360 is an authorized Flowmaster dealer and sells only genuine Flowmaster products.

More in this category
Chevy Tahoe Exhaust
Chevy Tahoe Parts
Flowmaster Exhaust Systems
GMC Yukon Exhaust
GMC Yukon Parts
Reviews on this product
Ordering from Redline360
Redline360 is an Authorized Dealer so we only sell authentic and genuine parts and accessories.
Order updates, tracking and info
Our goal is your complete satisfaction. Upon ordering, you will receive an email confirmation of your order along with your invoice. You will be able to log into our website 24/7 to check on your order at any time. Your order is processed Monday through Friday from 8am to 6pm PST as soon as it is placed. Once your order ships, we will email you a tracking number so you can track your package.
Protect your purchase
Redline360 offers our customers piece of mind! We have partned with Extend to offer you Extend Product Protection and Extend Shipping Protection. Read about each protection that Extend offers to Redline360 customers!
Multiple distribution points ready to serve you!
We ship from multiple locations around the United States so you receive your part as quick as possible. Not every warehouse stocks all the same parts, so the closest warehouse to you that has the part in stock is where your order will ship from. We ship from California, Nevada, Indiana, Michigan, Florida, Texas and Pennsylvania.
Secure Ordering
We take security seriously! We are never exposed to your credit card information, and it's never stored. Credit card transactions go through the credit card processor directly. We also offer various other payment methods such as PayPal, Affirm Financing (Pay over time), Amazon Pay, Apple Pay and more!
Any non CARB compliant items can not ship California. We will notify you if we have to cancel your order.
Some products may be subject to local rules, laws and regulations in certain areas. Always check your local laws to determine legal restrictions. We are not responsible if you buy a product that is not legal in your area.
For items that have free shipping, free shipping only applies to the lower 48 states.
Questions? Contact us.
Actual item may vary from picture