- GMC Sierra 1500 V8 4.8L / 5.3L ()
- Fits 1999 to 2006 GMC Sierra with a 4.8L or 5.3L V8 engine, fits Standard Cab and short bed model.
Specs & Features
- 2WD/4WD - 2WD/4WD
- California Proposition 65 Chemical Name - Chromium (hexavalent compounds) / Nickel (Metallic)
- California Proposition 65 Required - Yes
- Emission Code - 5
- Exhaust Series - American Thunder
Exit Position -Dual Out the Sides
- Heat Shield - No
- Inlet Diameter (in) - 3
- Material - Stainless Steel
- Muffler Quantity - 1
- Muffler Series - Super 50 Series
- Outlet Diameter (in) - 2.5
- Product Type - Exhaust Systems / Kits
- Single Dual - Dual
- Sound Level - Moderate/Aggressive Sound
- System Type - Cat-back System
- Tip Diameter (in) - 3
- Tip Quantity - 2
- Tubing Diameter (in) - 2.5
- Includes hangers and hardware for easy installation
For the person who is looking for a complete Header-back dual exhaust system. These systems are mandrel bent for maximum performance and include specially selected mufflers. This American Thunder system delivers a moderate interior and exterior tone and is suited to the enthusiast who wants their performance toHeader Back Exhaust be heard. Like all Flowmaster systems, the benefits include improved throttle response, power and mileage. Designed for an easy fit, these systems include all necessary parts and hardware for easy installation.
The legendary Flowmaster exhaust system gives your car a unique sound that you can only get from Flowmaster. Designed to have excellent fitment, performance and sound. Flowmaster exhaust systems are dyno tuned for maximum performance.
Redline360 is an authorized Flowmaster dealer and sells only genuine Flowmaster products.
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.
More in this category
Flowmaster American Thunder Exhausts
GMC Sierra Exhaust
GMC Sierra 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.
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